12137684140 has 48 divisors (see below), whose sum is σ = 27445975200. Its totient is φ = 4492024832.

The previous prime is 12137684137. The next prime is 12137684147. The reversal of 12137684140 is 4148673121.

It is a self number, because there is not a number n which added to its sum of digits gives 12137684140.

It is not an unprimeable number, because it can be changed into a prime (12137684147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282475 + ... + 322594.

It is an arithmetic number, because the mean of its divisors is an integer number (571791150).

Almost surely, 2^12137684140 is an apocalyptic number.

12137684140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12137684140 is an abundant number, since it is smaller than the sum of its proper divisors (15308291060).

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

12137684140 is a wasteful number, since it uses less digits than its factorization.

12137684140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605154 (or 605152 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 12137684140 in words is "twelve billion, one hundred thirty-seven million, six hundred eighty-four thousand, one hundred forty".