12256556233 has 8 divisors (see below), whose sum is σ = 12927297600. Its totient is φ = 11588380848.

The previous prime is 12256556183. The next prime is 12256556239. The reversal of 12256556233 is 33265565221.

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 12256556233 - 2¹⁷ = 12256425161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12256556239) 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, 631678 + ... + 650791.

It is an arithmetic number, because the mean of its divisors is an integer number (1615912200).

Almost surely, 2^12256556233 is an apocalyptic number.

It is an amenable number.

12256556233 is a deficient number, since it is larger than the sum of its proper divisors (670741367).

12256556233 is a wasteful number, since it uses less digits than its factorization.

12256556233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282991.

The product of its digits is 324000, while the sum is 40.

The spelling of 12256556233 in words is "twelve billion, two hundred fifty-six million, five hundred fifty-six thousand, two hundred thirty-three".