13121013132 has 72 divisors (see below), whose sum is σ = 33461674064. Its totient is φ = 4334985216.

The previous prime is 13121013107. The next prime is 13121013173. The reversal of 13121013132 is 23131012131.

It is a super-2 number, since 2×13121013132² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1962948 + ... + 1969620.

Almost surely, 2^13121013132 is an apocalyptic number.

13121013132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13121013132 is an abundant number, since it is smaller than the sum of its proper divisors (20340660932).

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

13121013132 is a wasteful number, since it uses less digits than its factorization.

13121013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159 (or 7154 counting only the distinct ones).

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

Adding to 13121013132 its reverse (23131012131), we get a palindrome (36252025263).

The spelling of 13121013132 in words is "thirteen billion, one hundred twenty-one million, thirteen thousand, one hundred thirty-two".