13112001110232 has 24 divisors (see below), whose sum is σ = 35511669673740. Its totient is φ = 4370667036720.

The previous prime is 13112001110213. The next prime is 13112001110233. The reversal of 13112001110232 is 23201110021131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13112001110232² (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 (13112001110233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91055563194 + ... + 91055563337.

Almost surely, 2^{13112001110232} is an apocalyptic number.

13112001110232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112001110232 is an abundant number, since it is smaller than the sum of its proper divisors (22399668563508).

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

13112001110232 is a wasteful number, since it uses less digits than its factorization.

13112001110232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182111126543 (or 182111126536 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 13112001110232 its reverse (23201110021131), we get a palindrome (36313111131363).

The spelling of 13112001110232 in words is "thirteen trillion, one hundred twelve billion, one million, one hundred ten thousand, two hundred thirty-two".