12402722664215 has 32 divisors (see below), whose sum is σ = 16271377004736. Its totient is φ = 9020005125120.

The previous prime is 12402722664203. The next prime is 12402722664229. The reversal of 12402722664215 is 51246622720421.

It is not a de Polignac number, because 12402722664215 - 2²⁶ = 12402655555351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17388305 + ... + 18087525.

It is an arithmetic number, because the mean of its divisors is an integer number (508480531398).

Almost surely, 2^{12402722664215} is an apocalyptic number.

12402722664215 is a deficient number, since it is larger than the sum of its proper divisors (3868654340521).

12402722664215 is a wasteful number, since it uses less digits than its factorization.

12402722664215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703379.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 12402722664215 in words is "twelve trillion, four hundred two billion, seven hundred twenty-two million, six hundred sixty-four thousand, two hundred fifteen".