12621633233 has 16 divisors (see below), whose sum is σ = 14343981120. Its totient is φ = 11004595200.

The previous prime is 12621633191. The next prime is 12621633239. The reversal of 12621633233 is 33233612621.

It is a cyclic number.

It is not a de Polignac number, because 12621633233 - 2⁶ = 12621633169 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 12621633233.

It is not an unprimeable number, because it can be changed into a prime (12621633239) 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, 210560 + ... + 263777.

It is an arithmetic number, because the mean of its divisors is an integer number (896498820).

Almost surely, 2^12621633233 is an apocalyptic number.

It is an amenable number.

12621633233 is a deficient number, since it is larger than the sum of its proper divisors (1722347887).

12621633233 is a wasteful number, since it uses less digits than its factorization.

12621633233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474448.

The product of its digits is 23328, while the sum is 32.

The spelling of 12621633233 in words is "twelve billion, six hundred twenty-one million, six hundred thirty-three thousand, two hundred thirty-three".