12620542106570 has 64 divisors (see below), whose sum is σ = 23466014391456. Its totient is φ = 4883357859840.

The previous prime is 12620542106489. The next prime is 12620542106587. The reversal of 12620542106570 is 7560124502621.

It can be written as a sum of positive squares in 16 ways, for example, as 127646854729 + 12492895251841 = 357277^2 + 3534529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278103722 + ... + 278149098.

Almost surely, 2^{12620542106570} is an apocalyptic number.

12620542106570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12620542106570 is a deficient number, since it is larger than the sum of its proper divisors (10845472284886).

12620542106570 is a wasteful number, since it uses less digits than its factorization.

12620542106570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49755.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 12620542106570 in words is "twelve trillion, six hundred twenty billion, five hundred forty-two million, one hundred six thousand, five hundred seventy".