12620266622666 has 16 divisors (see below), whose sum is σ = 19213085554944. Its totient is φ = 6215906166624.

The previous prime is 12620266622611. The next prime is 12620266622683. The reversal of 12620266622666 is 66622666202621.

It is a super-2 number, since 2×12620266622666² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24258311 + ... + 24773093.

It is an arithmetic number, because the mean of its divisors is an integer number (1200817847184).

Almost surely, 2^{12620266622666} is an apocalyptic number.

12620266622666 is a deficient number, since it is larger than the sum of its proper divisors (6592818932278).

12620266622666 is a wasteful number, since it uses less digits than its factorization.

12620266622666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697805.

The product of its (nonzero) digits is 8957952, while the sum is 53.

The spelling of 12620266622666 in words is "twelve trillion, six hundred twenty billion, two hundred sixty-six million, six hundred twenty-two thousand, six hundred sixty-six".