12422977895 has 4 divisors (see below), whose sum is σ = 14907573480. Its totient is φ = 9938382312.

The previous prime is 12422977891. The next prime is 12422977951. The reversal of 12422977895 is 59877922421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12422977895 - 2² = 12422977891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12422977895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422977891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242297785 + ... + 1242297794.

It is an arithmetic number, because the mean of its divisors is an integer number (3726893370).

Almost surely, 2^12422977895 is an apocalyptic number.

12422977895 is a deficient number, since it is larger than the sum of its proper divisors (2484595585).

12422977895 is an equidigital number, since it uses as much as digits as its factorization.

12422977895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484595584.

The product of its digits is 5080320, while the sum is 56.

The spelling of 12422977895 in words is "twelve billion, four hundred twenty-two million, nine hundred seventy-seven thousand, eight hundred ninety-five".