12371265567 has 16 divisors (see below), whose sum is σ = 18585941760. Its totient is φ = 8131347000.

The previous prime is 12371265559. The next prime is 12371265587. The reversal of 12371265567 is 76556217321.

It is a happy number.

12371265567 is a `hidden beast` number, since 1 + 2 + 3 + 71 + 26 + 556 + 7 = 666.

It is not a de Polignac number, because 12371265567 - 2³ = 12371265559 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371265547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3224809 + ... + 3228642.

It is an arithmetic number, because the mean of its divisors is an integer number (1161621360).

Almost surely, 2^12371265567 is an apocalyptic number.

12371265567 is a deficient number, since it is larger than the sum of its proper divisors (6214676193).

12371265567 is an equidigital number, since it uses as much as digits as its factorization.

12371265567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453531 (or 6453525 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 12371265567 in words is "twelve billion, three hundred seventy-one million, two hundred sixty-five thousand, five hundred sixty-seven".