12750138890000 has 100 divisors (see below), whose sum is σ = 32685206482764. Its totient is φ = 4800052224000.

The previous prime is 12750138889991. The next prime is 12750138890231. The reversal of 12750138890000 is 9883105721.

It can be written as a sum of positive squares in 10 ways, for example, as 7907164033024 + 4842974856976 = 2811968^2 + 2200676^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37330409 + ... + 37670408.

Almost surely, 2^{12750138890000} is an apocalyptic number.

12750138890000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12750138890000 is an abundant number, since it is smaller than the sum of its proper divisors (19935067592764).

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

12750138890000 is an equidigital number, since it uses as much as digits as its factorization.

12750138890000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000862 (or 75000841 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 12750138890000 in words is "twelve trillion, seven hundred fifty billion, one hundred thirty-eight million, eight hundred ninety thousand".