12226661615 has 32 divisors (see below), whose sum is σ = 16850830464. Its totient is φ = 8342691840.

The previous prime is 12226661597. The next prime is 12226661621. The reversal of 12226661615 is 51616662221.

12226661615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12226661615 - 2¹⁴ = 12226645231 is a prime.

It is a super-3 number, since 3×12226661615³ (a number of 31 digits) contains 333 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11523185 + ... + 11524245.

It is an arithmetic number, because the mean of its divisors is an integer number (526588452).

Almost surely, 2^12226661615 is an apocalyptic number.

12226661615 is a deficient number, since it is larger than the sum of its proper divisors (4624168849).

12226661615 is a wasteful number, since it uses less digits than its factorization.

12226661615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its digits is 51840, while the sum is 38.

The spelling of 12226661615 in words is "twelve billion, two hundred twenty-six million, six hundred sixty-one thousand, six hundred fifteen".