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12121002012010 = 2547532392035949
BaseRepresentation
bin1011000001100010010000…
…0001001110110101101010
31120220202102110201012100211
42300120210001032311222
53042042303003341020
641440151135051334
72360466505105513
oct260304401166552
946822373635324
1012121002012010
113953540707421
12143916b070b4a
1369c00c369b68
142dc934037a0a
15160465d5385a
hexb062404ed6a

12121002012010 has 64 divisors (see below), whose sum is σ = 22797427968000. Its totient is φ = 4636228210432.

The previous prime is 12121002011999. The next prime is 12121002012073. The reversal of 12121002012010 is 1021020012121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4935516 + ... + 6971464.

It is an arithmetic number, because the mean of its divisors is an integer number (356209812000).

Almost surely, 212121002012010 is an apocalyptic number.

12121002012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121002012010 is a deficient number, since it is larger than the sum of its proper divisors (10676425955990).

12121002012010 is a wasteful number, since it uses less digits than its factorization.

12121002012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036295.

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

Adding to 12121002012010 its reverse (1021020012121), we get a palindrome (13142022024131).

The spelling of 12121002012010 in words is "twelve trillion, one hundred twenty-one billion, two million, twelve thousand, ten".

Divisors: 1 2 5 10 47 53 94 106 235 239 265 470 478 530 1195 2390 2491 4982 11233 12455 12667 22466 24910 25334 56165 63335 112330 126670 595349 1190698 2035949 2976745 4071898 5953490 10179745 20359490 95689603 107905297 191379206 215810594 478448015 486591811 539526485 956896030 973183622 1079052970 2432959055 4865918110 5071548959 10143097918 22869815117 25357744795 25789365983 45739630234 50715489590 51578731966 114349075585 128946829915 228698151170 257893659830 1212100201201 2424200402402 6060501006005 12121002012010