12225502615 has 4 divisors (see below), whose sum is σ = 14670603144. Its totient is φ = 9780402088.

The previous prime is 12225502591. The next prime is 12225502669. The reversal of 12225502615 is 51620552221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12225502615 - 2¹⁵ = 12225469847 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222550257 + ... + 1222550266.

It is an arithmetic number, because the mean of its divisors is an integer number (3667650786).

Almost surely, 2^12225502615 is an apocalyptic number.

12225502615 is a deficient number, since it is larger than the sum of its proper divisors (2445100529).

12225502615 is an equidigital number, since it uses as much as digits as its factorization.

12225502615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445100528.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12225502615 in words is "twelve billion, two hundred twenty-five million, five hundred two thousand, six hundred fifteen".