13011323112 has 64 divisors (see below), whose sum is σ = 36651657600. Its totient is φ = 4276016640.

The previous prime is 13011323093. The next prime is 13011323137. The reversal of 13011323112 is 21132311031.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408873 + ... + 439544.

It is an arithmetic number, because the mean of its divisors is an integer number (572682150).

Almost surely, 2^13011323112 is an apocalyptic number.

13011323112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13011323112 is an abundant number, since it is smaller than the sum of its proper divisors (23640334488).

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

13011323112 is a wasteful number, since it uses less digits than its factorization.

13011323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848503 (or 848493 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13011323112 its reverse (21132311031), we get a palindrome (34143634143).

The spelling of 13011323112 in words is "thirteen billion, eleven million, three hundred twenty-three thousand, one hundred twelve".