12434637952 has 96 divisors (see below), whose sum is σ = 27778569840. Its totient is φ = 5498496000.

The previous prime is 12434637949. The next prime is 12434637977. The reversal of 12434637952 is 25973643421.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1924327 + ... + 1930777.

Almost surely, 2^12434637952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12434637952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13889284920).

12434637952 is an abundant number, since it is smaller than the sum of its proper divisors (15343931888).

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

12434637952 is an equidigital number, since it uses as much as digits as its factorization.

12434637952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550 (or 6501 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 46.

The spelling of 12434637952 in words is "twelve billion, four hundred thirty-four million, six hundred thirty-seven thousand, nine hundred fifty-two".