12992407032 has 128 divisors (see below), whose sum is σ = 36469128960. Its totient is φ = 3822520320.

The previous prime is 12992407027. The next prime is 12992407037. The reversal of 12992407032 is 23070429921.

It is an interprime number because it is at equal distance from previous prime (12992407027) and next prime (12992407037).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992407037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5791303 + ... + 5793545.

It is an arithmetic number, because the mean of its divisors is an integer number (284915070).

Almost surely, 2^12992407032 is an apocalyptic number.

12992407032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12992407032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18234564480).

12992407032 is an abundant number, since it is smaller than the sum of its proper divisors (23476721928).

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

12992407032 is a wasteful number, since it uses less digits than its factorization.

12992407032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

It can be divided in two parts, 12992 and 407032, that added together give a palindrome (420024).

The spelling of 12992407032 in words is "twelve billion, nine hundred ninety-two million, four hundred seven thousand, thirty-two".