12239682465 has 16 divisors (see below), whose sum is σ = 19952993088. Its totient is φ = 6404663616.

The previous prime is 12239682439. The next prime is 12239682479. The reversal of 12239682465 is 56428693221.

It is a happy number.

It is not a de Polignac number, because 12239682465 - 2⁶ = 12239682401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7697119 + ... + 7698708.

It is an arithmetic number, because the mean of its divisors is an integer number (1247062068).

Almost surely, 2^12239682465 is an apocalyptic number.

12239682465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12239682465 is a deficient number, since it is larger than the sum of its proper divisors (7713310623).

12239682465 is a wasteful number, since it uses less digits than its factorization.

12239682465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395888.

The product of its digits is 1244160, while the sum is 48.

The spelling of 12239682465 in words is "twelve billion, two hundred thirty-nine million, six hundred eighty-two thousand, four hundred sixty-five".