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12013023120102 = 233317176238423
BaseRepresentation
bin1010111011001111111111…
…1110011100101011100110
31120112102201020101011002000
42232303333332130223212
53033310132404320402
641314412344430130
72346624624502464
oct256637776345346
946472636334060
1012013023120102
113911770410784
121420255178346
13691a917c7c04
142d760d445834
1515c7463dcc1c
hexaecfff9cae6

12013023120102 has 32 divisors (see below), whose sum is σ = 27556755548160. Its totient is φ = 3875168747880.

The previous prime is 12013023120089. The next prime is 12013023120103. The reversal of 12013023120102 is 20102132031021.

12013023120102 is a `hidden beast` number, since 1 + 201 + 30 + 231 + 201 + 0 + 2 = 666.

It is a super-2 number, since 2×120130231201022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013023120103) 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, 3588117538 + ... + 3588120885.

It is an arithmetic number, because the mean of its divisors is an integer number (861148610880).

Almost surely, 212013023120102 is an apocalyptic number.

12013023120102 is an abundant number, since it is smaller than the sum of its proper divisors (15543732428058).

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

12013023120102 is a wasteful number, since it uses less digits than its factorization.

12013023120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176238465 (or 7176238459 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12013023120102 its reverse (20102132031021), we get a palindrome (32115155151123).

The spelling of 12013023120102 in words is "twelve trillion, thirteen billion, twenty-three million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 31 54 62 93 186 279 558 837 1674 7176238423 14352476846 21528715269 43057430538 64586145807 129172291614 193758437421 222463391113 387516874842 444926782226 667390173339 1334780346678 2002170520017 4004341040034 6006511560051 12013023120102