12602620621 has 8 divisors (see below), whose sum is σ = 13176408960. Its totient is φ = 12030986352.

The previous prime is 12602620573. The next prime is 12602620627.

12602620621 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12602620621 - 2⁷ = 12602620493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12602620621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12602620627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526545 + ... + 549958.

It is an arithmetic number, because the mean of its divisors is an integer number (1647051120).

Almost surely, 2^12602620621 is an apocalyptic number.

It is an amenable number.

12602620621 is a deficient number, since it is larger than the sum of its proper divisors (573788339).

12602620621 is a wasteful number, since it uses less digits than its factorization.

12602620621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077035.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12602620621 in words is "twelve billion, six hundred two million, six hundred twenty thousand, six hundred twenty-one".