122653693299 has 4 divisors (see below), whose sum is σ = 163538257736. Its totient is φ = 81769128864.

The previous prime is 122653693277. The next prime is 122653693301. The reversal of 122653693299 is 992396356221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992396356221 = 3 ⋅330798785407.

It is not a de Polignac number, because 122653693299 - 2⁷ = 122653693171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122653693229) 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, 20442282214 + ... + 20442282219.

It is an arithmetic number, because the mean of its divisors is an integer number (40884564434).

Almost surely, 2^122653693299 is an apocalyptic number.

122653693299 is a deficient number, since it is larger than the sum of its proper divisors (40884564437).

122653693299 is an equidigital number, since it uses as much as digits as its factorization.

122653693299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40884564436.

The product of its digits is 9447840, while the sum is 57.

The spelling of 122653693299 in words is "one hundred twenty-two billion, six hundred fifty-three million, six hundred ninety-three thousand, two hundred ninety-nine".