12103133232 has 40 divisors (see below), whose sum is σ = 32625840384. Its totient is φ = 3858969664.

The previous prime is 12103133201. The next prime is 12103133249. The reversal of 12103133232 is 23233130121.

It is a junction number, because it is equal to n+sod(n) for n = 12103133199 and 12103133208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480388 + ... + 5482595.

Almost surely, 2^12103133232 is an apocalyptic number.

12103133232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103133232 is an abundant number, since it is smaller than the sum of its proper divisors (20522707152).

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

12103133232 is a wasteful number, since it uses less digits than its factorization.

12103133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963017 (or 10963011 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12103133232 its reverse (23233130121), we get a palindrome (35336263353).

The spelling of 12103133232 in words is "twelve billion, one hundred three million, one hundred thirty-three thousand, two hundred thirty-two".