12402322115 has 16 divisors (see below), whose sum is σ = 15302010240. Its totient is φ = 9642971520.

The previous prime is 12402322073. The next prime is 12402322123. The reversal of 12402322115 is 51122320421.

It is a de Polignac number, because none of the positive numbers 2^k-12402322115 is a prime.

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, 131741 + ... + 205329.

It is an arithmetic number, because the mean of its divisors is an integer number (956375640).

Almost surely, 2^12402322115 is an apocalyptic number.

12402322115 is a deficient number, since it is larger than the sum of its proper divisors (2899688125).

12402322115 is an equidigital number, since it uses as much as digits as its factorization.

12402322115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74542.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12402322115 its reverse (51122320421), we get a palindrome (63524642536).

The spelling of 12402322115 in words is "twelve billion, four hundred two million, three hundred twenty-two thousand, one hundred fifteen".