122443142299 has 4 divisors (see below), whose sum is σ = 122458302360. Its totient is φ = 122427982240.

The previous prime is 122443142293. The next prime is 122443142321. The reversal of 122443142299 is 992241344221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122443142299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122443142293) 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, 7567909 + ... + 7584070.

It is an arithmetic number, because the mean of its divisors is an integer number (30614575590).

Almost surely, 2^122443142299 is an apocalyptic number.

122443142299 is a deficient number, since it is larger than the sum of its proper divisors (15160061).

122443142299 is an equidigital number, since it uses as much as digits as its factorization.

122443142299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160060.

The product of its digits is 248832, while the sum is 43.

The spelling of 122443142299 in words is "one hundred twenty-two billion, four hundred forty-three million, one hundred forty-two thousand, two hundred ninety-nine".