12371506140 has 96 divisors (see below), whose sum is σ = 40953991680. Its totient is φ = 2730260736.

The previous prime is 12371506139. The next prime is 12371506177. The reversal of 12371506140 is 4160517321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12371506098 and 12371506107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495682 + ... + 520041.

It is an arithmetic number, because the mean of its divisors is an integer number (426604080).

Almost surely, 2^12371506140 is an apocalyptic number.

12371506140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12371506140 is an abundant number, since it is smaller than the sum of its proper divisors (28582485540).

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

12371506140 is a wasteful number, since it uses less digits than its factorization.

12371506140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015771 (or 1015769 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 12371506140 in words is "twelve billion, three hundred seventy-one million, five hundred six thousand, one hundred forty".