122555231315212 has 24 divisors (see below), whose sum is σ = 231372306851616. Its totient is φ = 56584879273728.

The previous prime is 122555231315141. The next prime is 122555231315221. The reversal of 122555231315212 is 212513132555221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17002664448 + ... + 17002671655.

It is an arithmetic number, because the mean of its divisors is an integer number (9640512785484).

Almost surely, 2^{122555231315212} is an apocalyptic number.

It is an amenable number.

122555231315212 is a deficient number, since it is larger than the sum of its proper divisors (108817075536404).

122555231315212 is a wasteful number, since it uses less digits than its factorization.

122555231315212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005336177 (or 34005336175 counting only the distinct ones).

The product of its digits is 180000, while the sum is 40.

The spelling of 122555231315212 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, three hundred fifteen thousand, two hundred twelve".