13021113132 has 18 divisors (see below), whose sum is σ = 32914480508. Its totient is φ = 4340371032.

The previous prime is 13021113113. The next prime is 13021113139. The reversal of 13021113132 is 23131112031.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (13021113139) 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, 180848758 + ... + 180848829.

Almost surely, 2^13021113132 is an apocalyptic number.

13021113132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13021113132 is an abundant number, since it is smaller than the sum of its proper divisors (19893367376).

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

13021113132 is a wasteful number, since it uses less digits than its factorization.

13021113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361697597 (or 361697592 counting only the distinct ones).

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

Adding to 13021113132 its reverse (23131112031), we get a palindrome (36152225163).

The spelling of 13021113132 in words is "thirteen billion, twenty-one million, one hundred thirteen thousand, one hundred thirty-two".