12312554205 has 32 divisors (see below), whose sum is σ = 22585469184. Its totient is φ = 5610825216.

The previous prime is 12312554161. The next prime is 12312554207. The reversal of 12312554205 is 50245521321.

It is not a de Polignac number, because 12312554205 - 2⁸ = 12312553949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312554207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151672 + ... + 218241.

It is an arithmetic number, because the mean of its divisors is an integer number (705795912).

Almost surely, 2^12312554205 is an apocalyptic number.

12312554205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12312554205 is a deficient number, since it is larger than the sum of its proper divisors (10272914979).

12312554205 is a wasteful number, since it uses less digits than its factorization.

12312554205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370245.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 12312554205 in words is "twelve billion, three hundred twelve million, five hundred fifty-four thousand, two hundred five".