12312511233 has 16 divisors (see below), whose sum is σ = 18851692800. Its totient is φ = 7069384080.

The previous prime is 12312511219. The next prime is 12312511261. The reversal of 12312511233 is 33211521321.

It is a happy number.

It is not a de Polignac number, because 12312511233 - 2¹⁰ = 12312510209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12312511333) 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, 9817963 + ... + 9819216.

It is an arithmetic number, because the mean of its divisors is an integer number (1178230800).

Almost surely, 2^12312511233 is an apocalyptic number.

It is an amenable number.

12312511233 is a deficient number, since it is larger than the sum of its proper divisors (6539181567).

12312511233 is a wasteful number, since it uses less digits than its factorization.

12312511233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637212.

The product of its digits is 1080, while the sum is 24.

The spelling of 12312511233 in words is "twelve billion, three hundred twelve million, five hundred eleven thousand, two hundred thirty-three".