12416825522 has 4 divisors (see below), whose sum is σ = 18625238286. Its totient is φ = 6208412760.

The previous prime is 12416825521. The next prime is 12416825543. The reversal of 12416825522 is 22552861421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22552861421 = 3701 ⋅6093721.

It can be written as a sum of positive squares in only one way, i.e., 9556822081 + 2860003441 = 97759^2 + 53479^2 .

It is not an unprimeable number, because it can be changed into a prime (12416825521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104206379 + ... + 3104206382.

Almost surely, 2^12416825522 is an apocalyptic number.

12416825522 is a deficient number, since it is larger than the sum of its proper divisors (6208412764).

12416825522 is an equidigital number, since it uses as much as digits as its factorization.

12416825522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208412763.

The product of its digits is 76800, while the sum is 38.

The spelling of 12416825522 in words is "twelve billion, four hundred sixteen million, eight hundred twenty-five thousand, five hundred twenty-two".