12675599557621 has 32 divisors (see below), whose sum is σ = 17019351207936. Its totient is φ = 9117119160000.

The previous prime is 12675599557609. The next prime is 12675599557627.

12675599557621 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12675599557621 - 2³⁷ = 12538160604149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12675599557627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59925396 + ... + 60136546.

It is an arithmetic number, because the mean of its divisors is an integer number (531854725248).

Almost surely, 2^{12675599557621} is an apocalyptic number.

12675599557621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12675599557621 is a deficient number, since it is larger than the sum of its proper divisors (4343751650315).

12675599557621 is a wasteful number, since it uses less digits than its factorization.

12675599557621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271153.

The product of its digits is 357210000, while the sum is 70.

The spelling of 12675599557621 in words is "twelve trillion, six hundred seventy-five billion, five hundred ninety-nine million, five hundred fifty-seven thousand, six hundred twenty-one".