13112403132 has 48 divisors (see below), whose sum is σ = 31936101120. Its totient is φ = 4179424128.

The previous prime is 13112403121. The next prime is 13112403137. The reversal of 13112403132 is 23130421131.

It is a junction number, because it is equal to n+sod(n) for n = 13112403099 and 13112403108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112403137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198744 + ... + 1209632.

It is an arithmetic number, because the mean of its divisors is an integer number (665335440).

Almost surely, 2^13112403132 is an apocalyptic number.

13112403132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112403132 is an abundant number, since it is smaller than the sum of its proper divisors (18823697988).

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

13112403132 is a wasteful number, since it uses less digits than its factorization.

13112403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15282 (or 15280 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13112403132 its reverse (23130421131), we get a palindrome (36242824263).

The spelling of 13112403132 in words is "thirteen billion, one hundred twelve million, four hundred three thousand, one hundred thirty-two".