12320542422 has 20 divisors (see below), whose sum is σ = 27607141716. Its totient is φ = 4106847420.

The previous prime is 12320542417. The next prime is 12320542441. The reversal of 12320542422 is 22424502321.

12320542422 is a `hidden beast` number, since 1 + 232 + 0 + 5 + 4 + 2 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38026204 + ... + 38026527.

Almost surely, 2^12320542422 is an apocalyptic number.

12320542422 is an abundant number, since it is smaller than the sum of its proper divisors (15286599294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12320542422 is an equidigital number, since it uses as much as digits as its factorization.

12320542422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76052745 (or 76052736 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The spelling of 12320542422 in words is "twelve billion, three hundred twenty million, five hundred forty-two thousand, four hundred twenty-two".