122015522342 has 16 divisors (see below), whose sum is σ = 209174153760. Its totient is φ = 52291195008.

The previous prime is 122015522269. The next prime is 122015522371. The reversal of 122015522342 is 243225510221.

It is a happy number.

It is a super-2 number, since 2×122015522342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903278 + ... + 1029534.

It is an arithmetic number, because the mean of its divisors is an integer number (13073384610).

Almost surely, 2^122015522342 is an apocalyptic number.

122015522342 is a deficient number, since it is larger than the sum of its proper divisors (87158631418).

122015522342 is a wasteful number, since it uses less digits than its factorization.

122015522342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195295.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 122015522342 in words is "one hundred twenty-two billion, fifteen million, five hundred twenty-two thousand, three hundred forty-two".