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12001202011120 = 2457193111039989
BaseRepresentation
bin1010111010100011111101…
…1000011111101111110000
31120111022012101212121001211
42232220333120133233300
53033111430203323440
641305135345205504
72346025654645060
oct256507730375760
946438171777054
1012001202011120
113907754734623
121419ab6330894
1369092973957a
142d6c0b4b33a0
1515c2a3706eea
hexaea3f61fbf0

12001202011120 has 80 divisors (see below), whose sum is σ = 32054135993280. Its totient is φ = 4093378117632.

The previous prime is 12001202011067. The next prime is 12001202011121. The reversal of 12001202011120 is 2111020210021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 12001202011120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001202011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55411915 + ... + 55628074.

It is an arithmetic number, because the mean of its divisors is an integer number (400676699916).

Almost surely, 212001202011120 is an apocalyptic number.

12001202011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001202011120 is an abundant number, since it is smaller than the sum of its proper divisors (20052933982160).

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

12001202011120 is a wasteful number, since it uses less digits than its factorization.

12001202011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111040202 (or 111040196 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001202011120 its reverse (2111020210021), we get a palindrome (14112222221141).

The spelling of 12001202011120 in words is "twelve trillion, one billion, two hundred two million, eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 193 280 386 560 772 965 1351 1544 1930 2702 3088 3860 5404 6755 7720 10808 13510 15440 21616 27020 54040 108080 111039989 222079978 444159956 555199945 777279923 888319912 1110399890 1554559846 1776639824 2220799780 3109119692 3886399615 4441599560 6218239384 7772799230 8883199120 12436478768 15545598460 21430717877 31091196920 42861435754 62182393840 85722871508 107153589385 150015025139 171445743016 214307178770 300030050278 342891486032 428614357540 600060100556 750075125695 857228715080 1200120201112 1500150251390 1714457430160 2400240402224 3000300502780 6000601005560 12001202011120