12555255212 has 6 divisors (see below), whose sum is σ = 21971696628. Its totient is φ = 6277627604.

The previous prime is 12555255211. The next prime is 12555255227. The reversal of 12555255212 is 21255255521.

It is not an unprimeable number, because it can be changed into a prime (12555255211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569406898 + ... + 1569406905.

It is an arithmetic number, because the mean of its divisors is an integer number (3661949438).

Almost surely, 2^12555255212 is an apocalyptic number.

It is an amenable number.

12555255212 is a deficient number, since it is larger than the sum of its proper divisors (9416441416).

12555255212 is a wasteful number, since it uses less digits than its factorization.

12555255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138813807 (or 3138813805 counting only the distinct ones).

The product of its digits is 50000, while the sum is 35.

The spelling of 12555255212 in words is "twelve billion, five hundred fifty-five million, two hundred fifty-five thousand, two hundred twelve".