12103132032 has 48 divisors (see below), whose sum is σ = 34828026480. Its totient is φ = 4034376960.

The previous prime is 12103132007. The next prime is 12103132207. The reversal of 12103132032 is 23023130121.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 12103131996 and 12103132014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5251944 + ... + 5254247.

It is an arithmetic number, because the mean of its divisors is an integer number (725583885).

Almost surely, 2^12103132032 is an apocalyptic number.

12103132032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103132032 is an abundant number, since it is smaller than the sum of its proper divisors (22724894448).

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

12103132032 is a wasteful number, since it uses less digits than its factorization.

12103132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506211 (or 10506196 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12103132032 its reverse (23023130121), we get a palindrome (35126262153).

The spelling of 12103132032 in words is "twelve billion, one hundred three million, one hundred thirty-two thousand, thirty-two".