12628482621 has 16 divisors (see below), whose sum is σ = 17159546304. Its totient is φ = 8258275584.

The previous prime is 12628482571. The next prime is 12628482631.

12628482621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12628482621 - 2²⁵ = 12594928189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628482631) 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, 1269750 + ... + 1279656.

It is an arithmetic number, because the mean of its divisors is an integer number (1072471644).

Almost surely, 2^12628482621 is an apocalyptic number.

It is an amenable number.

12628482621 is a deficient number, since it is larger than the sum of its proper divisors (4531063683).

12628482621 is an equidigital number, since it uses as much as digits as its factorization.

12628482621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17980.

The product of its digits is 147456, while the sum is 42.

The spelling of 12628482621 in words is "twelve billion, six hundred twenty-eight million, four hundred eighty-two thousand, six hundred twenty-one".