122349218538 has 8 divisors (see below), whose sum is σ = 244698437088. Its totient is φ = 40783072844.

The previous prime is 122349218527. The next prime is 122349218567. The reversal of 122349218538 is 835812943221.

It is a sphenic number, since it is the product of 3 distinct primes.

122349218538 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10195768206 + ... + 10195768217.

It is an arithmetic number, because the mean of its divisors is an integer number (30587304636).

Almost surely, 2^122349218538 is an apocalyptic number.

122349218538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122349218538 is a wasteful number, since it uses less digits than its factorization.

122349218538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20391536428.

The product of its digits is 829440, while the sum is 48.

The spelling of 122349218538 in words is "one hundred twenty-two billion, three hundred forty-nine million, two hundred eighteen thousand, five hundred thirty-eight".