12620520121760 has 48 divisors (see below), whose sum is σ = 29817751622400. Its totient is φ = 5047907886336.

The previous prime is 12620520121753. The next prime is 12620520121819. The reversal of 12620520121760 is 6712102502621.

It is a self number, because there is not a number n which added to its sum of digits gives 12620520121760.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364061 + ... + 5037219.

It is an arithmetic number, because the mean of its divisors is an integer number (621203158800).

Almost surely, 2^{12620520121760} is an apocalyptic number.

12620520121760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12620520121760 is an abundant number, since it is smaller than the sum of its proper divisors (17197231500640).

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

12620520121760 is a wasteful number, since it uses less digits than its factorization.

12620520121760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690053 (or 4690045 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 12620520121760 in words is "twelve trillion, six hundred twenty billion, five hundred twenty million, one hundred twenty-one thousand, seven hundred sixty".