12496665296 has 10 divisors (see below), whose sum is σ = 24212289042. Its totient is φ = 6248332640.

The previous prime is 12496665283. The next prime is 12496665299. The reversal of 12496665296 is 69256669421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8507479696 + 3989185600 = 92236^2 + 63160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12496665299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390520775 + ... + 390520806.

Almost surely, 2^12496665296 is an apocalyptic number.

12496665296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12496665296 is a deficient number, since it is larger than the sum of its proper divisors (11715623746).

12496665296 is an equidigital number, since it uses as much as digits as its factorization.

12496665296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781041589 (or 781041583 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 56.

The spelling of 12496665296 in words is "twelve billion, four hundred ninety-six million, six hundred sixty-five thousand, two hundred ninety-six".