12402313140 has 48 divisors (see below), whose sum is σ = 39687403392. Its totient is φ = 2834814336.

The previous prime is 12402313139. The next prime is 12402313169. The reversal of 12402313140 is 4131320421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 14764239 + ... + 14765078.

It is an arithmetic number, because the mean of its divisors is an integer number (826820904).

Almost surely, 2^12402313140 is an apocalyptic number.

12402313140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402313140 is an abundant number, since it is smaller than the sum of its proper divisors (27285090252).

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

12402313140 is a wasteful number, since it uses less digits than its factorization.

12402313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29529336 (or 29529334 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12402313140 its reverse (4131320421), we get a palindrome (16533633561).

The spelling of 12402313140 in words is "twelve billion, four hundred two million, three hundred thirteen thousand, one hundred forty".