12255555213 has 12 divisors (see below), whose sum is σ = 19311784128. Its totient is φ = 7427609160.

The previous prime is 12255555203. The next prime is 12255555217. The reversal of 12255555213 is 31255555221.

12255555213 is a `hidden beast` number, since 122 + 5 + 5 + 5 + 5 + 521 + 3 = 666.

It is not a de Polignac number, because 12255555213 - 2¹² = 12255551117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255555217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61896645 + ... + 61896842.

It is an arithmetic number, because the mean of its divisors is an integer number (1609315344).

Almost surely, 2^12255555213 is an apocalyptic number.

It is an amenable number.

12255555213 is a deficient number, since it is larger than the sum of its proper divisors (7056228915).

12255555213 is a wasteful number, since it uses less digits than its factorization.

12255555213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123793504 (or 123793501 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The spelling of 12255555213 in words is "twelve billion, two hundred fifty-five million, five hundred fifty-five thousand, two hundred thirteen".