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12000031202010 = 23531431567191497
BaseRepresentation
bin1010111010011111100110…
…0110001101101011011010
31120111012011210210022220110
42232213321212031223122
53033102030441431020
641304423242505150
72345654650145325
oct256477146155332
946435153708813
1012000031202010
113907203856395
12141982a2051b6
136907a0cc5a07
142d6b39bc17bc
1515c235a358e0
hexae9f998dada

12000031202010 has 128 divisors (see below), whose sum is σ = 30440056356864. Its totient is φ = 3022817978880.

The previous prime is 12000031202009. The next prime is 12000031202059. The reversal of 12000031202010 is 1020213000021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62568582 + ... + 62760078.

It is an arithmetic number, because the mean of its divisors is an integer number (237812940288).

Almost surely, 212000031202010 is an apocalyptic number.

12000031202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000031202010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15220028178432).

12000031202010 is an abundant number, since it is smaller than the sum of its proper divisors (18440025154854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000031202010 is a wasteful number, since it uses less digits than its factorization.

12000031202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193148.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12000031202010 its reverse (1020213000021), we get a palindrome (13020244202031).

The spelling of 12000031202010 in words is "twelve trillion, thirty-one million, two hundred two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 31 43 62 86 93 129 155 186 215 258 310 430 465 645 930 1290 1333 1567 2666 3134 3999 4701 6665 7835 7998 9402 13330 15670 19995 23505 39990 47010 48577 67381 97154 134762 145731 191497 202143 242885 291462 336905 382994 404286 485770 574491 673810 728655 957485 1010715 1148982 1457310 1914970 2021430 2088811 2872455 4177622 5744910 5936407 6266433 8234371 10444055 11872814 12532866 16468742 17809221 20888110 24703113 29682035 31332165 35618442 41171855 49406226 59364070 62664330 82343710 89046105 123515565 178092210 247031130 255265501 300075799 510531002 600151598 765796503 900227397 1276327505 1500378995 1531593006 1800454794 2552655010 3000757990 3828982515 4501136985 7657965030 9002273970 9302349769 12903259357 18604699538 25806518714 27907049307 38709778071 46511748845 55814098614 64516296785 77419556142 93023497690 129032593570 139535246535 193548890355 279070493070 387097780710 400001040067 800002080134 1200003120201 2000005200335 2400006240402 4000010400670 6000015601005 12000031202010