13011000312 has 16 divisors (see below), whose sum is σ = 32527500840. Its totient is φ = 4337000096.

The previous prime is 13011000259. The next prime is 13011000323. The reversal of 13011000312 is 21300011031.

It is a super-2 number, since 2×13011000312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271062483 + ... + 271062530.

Almost surely, 2^13011000312 is an apocalyptic number.

13011000312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13011000312 is an abundant number, since it is smaller than the sum of its proper divisors (19516500528).

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

13011000312 is a wasteful number, since it uses less digits than its factorization.

13011000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542125022 (or 542125018 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13011000312 its reverse (21300011031), we get a palindrome (34311011343).

The spelling of 13011000312 in words is "thirteen billion, eleven million, three hundred twelve", and thus it is an aban number.