12620545468457 has 16 divisors (see below), whose sum is σ = 12721104836352. Its totient is φ = 12520365285120.

The previous prime is 12620545468441. The next prime is 12620545468459. The reversal of 12620545468457 is 75486454502621.

It is a cyclic number.

It is not a de Polignac number, because 12620545468457 - 2⁴ = 12620545468441 is a prime.

It is a super-3 number, since 3×12620545468457³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12620545468396 and 12620545468405.

It is not an unprimeable number, because it can be changed into a prime (12620545468459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875750582 + ... + 875764992.

It is an arithmetic number, because the mean of its divisors is an integer number (795069052272).

Almost surely, 2^{12620545468457} is an apocalyptic number.

It is an amenable number.

12620545468457 is a deficient number, since it is larger than the sum of its proper divisors (100559367895).

12620545468457 is a wasteful number, since it uses less digits than its factorization.

12620545468457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27088.

The product of its (nonzero) digits is 64512000, while the sum is 59.

The spelling of 12620545468457 in words is "twelve trillion, six hundred twenty billion, five hundred forty-five million, four hundred sixty-eight thousand, four hundred fifty-seven".