12750974987074 has 4 divisors (see below), whose sum is σ = 19126462480614. Its totient is φ = 6375487493536.

The previous prime is 12750974986961. The next prime is 12750974987119. The reversal of 12750974987074 is 47078947905721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8192515134049 + 4558459853025 = 2862257^2 + 2135055^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12750974986994 and 12750974987012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187743746767 + ... + 3187743746770.

Almost surely, 2^{12750974987074} is an apocalyptic number.

12750974987074 is a deficient number, since it is larger than the sum of its proper divisors (6375487493540).

12750974987074 is an equidigital number, since it uses as much as digits as its factorization.

12750974987074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375487493539.

The product of its (nonzero) digits is 248935680, while the sum is 70.

The spelling of 12750974987074 in words is "twelve trillion, seven hundred fifty billion, nine hundred seventy-four million, nine hundred eighty-seven thousand, seventy-four".