12402342644315 has 32 divisors (see below), whose sum is σ = 16585158481920. Its totient is φ = 8840256961536.

The previous prime is 12402342644281. The next prime is 12402342644333. The reversal of 12402342644315 is 51344624320421.

It is not a de Polignac number, because 12402342644315 - 2¹⁶ = 12402342578779 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5512934 + ... + 7429476.

It is an arithmetic number, because the mean of its divisors is an integer number (518286202560).

Almost surely, 2^{12402342644315} is an apocalyptic number.

12402342644315 is a deficient number, since it is larger than the sum of its proper divisors (4182815837605).

12402342644315 is a wasteful number, since it uses less digits than its factorization.

12402342644315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920023.

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 12402342644315 its reverse (51344624320421), we get a palindrome (63746966964736).

The spelling of 12402342644315 in words is "twelve trillion, four hundred two billion, three hundred forty-two million, six hundred forty-four thousand, three hundred fifteen".