122299742451 has 16 divisors (see below), whose sum is σ = 167550965120. Its totient is φ = 79306577280.

The previous prime is 122299742443. The next prime is 122299742479. The reversal of 122299742451 is 154247992221.

It is not a de Polignac number, because 122299742451 - 2³ = 122299742443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122299742451.

It is not an unprimeable number, because it can be changed into a prime (122299742491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935841 + ... + 1998018.

It is an arithmetic number, because the mean of its divisors is an integer number (10471935320).

Almost surely, 2^122299742451 is an apocalyptic number.

122299742451 is a deficient number, since it is larger than the sum of its proper divisors (45251222669).

122299742451 is a wasteful number, since it uses less digits than its factorization.

122299742451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934146.

The product of its digits is 725760, while the sum is 48.

The spelling of 122299742451 in words is "one hundred twenty-two billion, two hundred ninety-nine million, seven hundred forty-two thousand, four hundred fifty-one".