12432142992 has 40 divisors (see below), whose sum is σ = 32660722080. Its totient is φ = 4073808640.

The previous prime is 12432142981. The next prime is 12432143029. The reversal of 12432142992 is 29924123421.

It is a self number, because there is not a number n which added to its sum of digits gives 12432142992.

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, 2192109 + ... + 2197772.

It is an arithmetic number, because the mean of its divisors is an integer number (816518052).

Almost surely, 2^12432142992 is an apocalyptic number.

12432142992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12432142992 is an abundant number, since it is smaller than the sum of its proper divisors (20228579088).

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

12432142992 is a wasteful number, since it uses less digits than its factorization.

12432142992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389951 (or 4389945 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The spelling of 12432142992 in words is "twelve billion, four hundred thirty-two million, one hundred forty-two thousand, nine hundred ninety-two".