12612205415 has 16 divisors (see below), whose sum is σ = 16480562400. Its totient is φ = 9229110912.

The previous prime is 12612205379. The next prime is 12612205423. The reversal of 12612205415 is 51450221621.

It is a cyclic number.

It is not a de Polignac number, because 12612205415 - 2¹⁶ = 12612139879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2286212 + ... + 2291721.

It is an arithmetic number, because the mean of its divisors is an integer number (1030035150).

Almost surely, 2^12612205415 is an apocalyptic number.

12612205415 is a deficient number, since it is larger than the sum of its proper divisors (3868356985).

12612205415 is a wasteful number, since it uses less digits than its factorization.

12612205415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577986.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 12612205415 in words is "twelve billion, six hundred twelve million, two hundred five thousand, four hundred fifteen".