13120111112 has 32 divisors (see below), whose sum is σ = 24716668320. Its totient is φ = 6529044480.

The previous prime is 13120111091. The next prime is 13120111133. The reversal of 13120111112 is 21111102131.

It is an interprime number because it is at equal distance from previous prime (13120111091) and next prime (13120111133).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672287 + ... + 3675857.

It is an arithmetic number, because the mean of its divisors is an integer number (772395885).

Almost surely, 2^13120111112 is an apocalyptic number.

It is an amenable number.

13120111112 is a deficient number, since it is larger than the sum of its proper divisors (11596557208).

13120111112 is a wasteful number, since it uses less digits than its factorization.

13120111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621 (or 5617 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 13120111112 its reverse (21111102131), we get a palindrome (34231213243).

The spelling of 13120111112 in words is "thirteen billion, one hundred twenty million, one hundred eleven thousand, one hundred twelve".