12212502455 has 32 divisors (see below), whose sum is σ = 15215456256. Its totient is φ = 9403962624.

The previous prime is 12212502451. The next prime is 12212502469. The reversal of 12212502455 is 55420521221.

It is a happy number.

It is not a de Polignac number, because 12212502455 - 2² = 12212502451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212502451) 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, 4937099 + ... + 4939571.

It is an arithmetic number, because the mean of its divisors is an integer number (475483008).

Almost surely, 2^12212502455 is an apocalyptic number.

12212502455 is a deficient number, since it is larger than the sum of its proper divisors (3002953801).

12212502455 is a wasteful number, since it uses less digits than its factorization.

12212502455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 12212502455 in words is "twelve billion, two hundred twelve million, five hundred two thousand, four hundred fifty-five".