12724140372 has 24 divisors (see below), whose sum is σ = 30065481600. Its totient is φ = 4187691456.

The previous prime is 12724140361. The next prime is 12724140409. The reversal of 12724140372 is 27304142721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6710097 + ... + 6711992.

It is an arithmetic number, because the mean of its divisors is an integer number (1252728400).

Almost surely, 2^12724140372 is an apocalyptic number.

12724140372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12724140372 is an abundant number, since it is smaller than the sum of its proper divisors (17341341228).

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

12724140372 is a wasteful number, since it uses less digits than its factorization.

12724140372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13422175 (or 13422173 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The spelling of 12724140372 in words is "twelve billion, seven hundred twenty-four million, one hundred forty thousand, three hundred seventy-two".