122800993919 has 4 divisors (see below), whose sum is σ = 124355436960. Its totient is φ = 121246550880.

The previous prime is 122800993817. The next prime is 122800993937. The reversal of 122800993919 is 919399008221.

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 122800993919 - 2⁸ = 122800993663 is a prime.

It is a super-2 number, since 2×122800993919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122800993949) 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, 777221402 + ... + 777221559.

It is an arithmetic number, because the mean of its divisors is an integer number (31088859240).

Almost surely, 2^122800993919 is an apocalyptic number.

122800993919 is a deficient number, since it is larger than the sum of its proper divisors (1554443041).

122800993919 is an equidigital number, since it uses as much as digits as its factorization.

122800993919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554443040.

The product of its (nonzero) digits is 629856, while the sum is 53.

The spelling of 122800993919 in words is "one hundred twenty-two billion, eight hundred million, nine hundred ninety-three thousand, nine hundred nineteen".