12432121032 has 32 divisors (see below), whose sum is σ = 31087454400. Its totient is φ = 4143086784.

The previous prime is 12432120989. The next prime is 12432121061. The reversal of 12432121032 is 23012123421.

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, 51069 + ... + 165747.

It is an arithmetic number, because the mean of its divisors is an integer number (971482950).

Almost surely, 2^12432121032 is an apocalyptic number.

12432121032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12432121032 is an abundant number, since it is smaller than the sum of its proper divisors (18655333368).

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

12432121032 is a wasteful number, since it uses less digits than its factorization.

12432121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119205 (or 119201 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12432121032 its reverse (23012123421), we get a palindrome (35444244453).

The spelling of 12432121032 in words is "twelve billion, four hundred thirty-two million, one hundred twenty-one thousand, thirty-two".