12506879161860 has 24 divisors (see below), whose sum is σ = 35019261653376. Its totient is φ = 3335167776480.

The previous prime is 12506879161817. The next prime is 12506879161877. The reversal of 12506879161860 is 6816197860521.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 208447986031 = 12506879161860 / (1 + 2 + 5 + 0 + 6 + 8 + 7 + 9 + 1 + 6 + 1 + 8 + 6 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12506879161794 and 12506879161803.

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, 104223992956 + ... + 104223993075.

It is an arithmetic number, because the mean of its divisors is an integer number (1459135902224).

Almost surely, 2^{12506879161860} is an apocalyptic number.

12506879161860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12506879161860 is an abundant number, since it is smaller than the sum of its proper divisors (22512382491516).

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

12506879161860 is a wasteful number, since it uses less digits than its factorization.

12506879161860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208447986043 (or 208447986041 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 12506879161860 in words is "twelve trillion, five hundred six billion, eight hundred seventy-nine million, one hundred sixty-one thousand, eight hundred sixty".