12371516712 has 24 divisors (see below), whose sum is σ = 33506191290. Its totient is φ = 4123838880.

The previous prime is 12371516687. The next prime is 12371516741. The reversal of 12371516712 is 21761517321.

12371516712 is a `hidden beast` number, since 1 + 2 + 3 + 71 + 516 + 71 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10725916356 + 1645600356 = 103566^2 + 40566^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85913239 + ... + 85913382.

Almost surely, 2^12371516712 is an apocalyptic number.

12371516712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12371516712 is an abundant number, since it is smaller than the sum of its proper divisors (21134674578).

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

12371516712 is a wasteful number, since it uses less digits than its factorization.

12371516712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171826633 (or 171826626 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The spelling of 12371516712 in words is "twelve billion, three hundred seventy-one million, five hundred sixteen thousand, seven hundred twelve".