12376361865 has 32 divisors (see below), whose sum is σ = 22637212416. Its totient is φ = 5656227840.

The previous prime is 12376361863. The next prime is 12376361897. The reversal of 12376361865 is 56816367321.

It is not a de Polignac number, because 12376361865 - 2¹ = 12376361863 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12376361861) 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, 431409 + ... + 459201.

It is an arithmetic number, because the mean of its divisors is an integer number (707412888).

Almost surely, 2^12376361865 is an apocalyptic number.

12376361865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12376361865 is a deficient number, since it is larger than the sum of its proper divisors (10260850551).

12376361865 is a wasteful number, since it uses less digits than its factorization.

12376361865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32049.

The product of its digits is 1088640, while the sum is 48.

The spelling of 12376361865 in words is "twelve billion, three hundred seventy-six million, three hundred sixty-one thousand, eight hundred sixty-five".