12745707646120 has 16 divisors (see below), whose sum is σ = 28677842203860. Its totient is φ = 5098283058432.

The previous prime is 12745707646103. The next prime is 12745707646121. The reversal of 12745707646120 is 2164670754721.

12745707646120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12586757119524 + 158950526596 = 3547782^2 + 398686^2 .

It is not an unprimeable number, because it can be changed into a prime (12745707646121) 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, 159321345537 + ... + 159321345616.

Almost surely, 2^{12745707646120} is an apocalyptic number.

12745707646120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12745707646120 is an abundant number, since it is smaller than the sum of its proper divisors (15932134557740).

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

12745707646120 is a wasteful number, since it uses less digits than its factorization.

12745707646120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318642691164 (or 318642691160 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 12745707646120 in words is "twelve trillion, seven hundred forty-five billion, seven hundred seven million, six hundred forty-six thousand, one hundred twenty".