12750039040 has 48 divisors (see below), whose sum is σ = 30592647540. Its totient is φ = 5100011520.

The previous prime is 12750039031. The next prime is 12750039047. The reversal of 12750039040 is 4093005721.

It can be written as a sum of positive squares in 2 ways, for example, as 11090617344 + 1659421696 = 105312^2 + 40736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12750038993 and 12750039011.

It is not an unprimeable number, because it can be changed into a prime (12750039047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612321 + ... + 632800.

Almost surely, 2^12750039040 is an apocalyptic number.

12750039040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12750039040 is an abundant number, since it is smaller than the sum of its proper divisors (17842608500).

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

12750039040 is an equidigital number, since it uses as much as digits as its factorization.

12750039040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245148 (or 1245128 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 12750039040 in words is "twelve billion, seven hundred fifty million, thirty-nine thousand, forty".