12757149687870 has 144 divisors (see below), whose sum is σ = 38743971325488. Its totient is φ = 2903820433920.

The previous prime is 12757149687859. The next prime is 12757149687883. The reversal of 12757149687870 is 7878694175721.

12757149687870 is a `hidden beast` number, since 1 + 2 + 7 + 57 + 1 + 496 + 8 + 7 + 87 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4938804 + ... + 7064423.

It is an arithmetic number, because the mean of its divisors is an integer number (269055356427).

Almost surely, 2^{12757149687870} is an apocalyptic number.

12757149687870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12757149687870 is an abundant number, since it is smaller than the sum of its proper divisors (25986821637618).

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

12757149687870 is a wasteful number, since it uses less digits than its factorization.

12757149687870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12003495 (or 12003485 counting only the distinct ones).

The product of its (nonzero) digits is 331914240, while the sum is 72.

The spelling of 12757149687870 in words is "twelve trillion, seven hundred fifty-seven billion, one hundred forty-nine million, six hundred eighty-seven thousand, eight hundred seventy".