12628203081 has 16 divisors (see below), whose sum is σ = 18403447104. Its totient is φ = 7655212224.

The previous prime is 12628203043. The next prime is 12628203113. The reversal of 12628203081 is 18030282621.

It is not a de Polignac number, because 12628203081 - 2¹³ = 12628194889 is a prime.

It is a super-2 number, since 2×12628203081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12628203031) 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, 2413806 + ... + 2419031.

It is an arithmetic number, because the mean of its divisors is an integer number (1150215444).

Almost surely, 2^12628203081 is an apocalyptic number.

It is an amenable number.

12628203081 is a deficient number, since it is larger than the sum of its proper divisors (5775244023).

12628203081 is a wasteful number, since it uses less digits than its factorization.

12628203081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832920.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 12628203081 in words is "twelve billion, six hundred twenty-eight million, two hundred three thousand, eighty-one".