122312252520155 has 8 divisors (see below), whose sum is σ = 154499687394000. Its totient is φ = 92699812436256.

The previous prime is 122312252520119. The next prime is 122312252520181. The reversal of 122312252520155 is 551025252213221.

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

It is a cyclic number.

It is not a de Polignac number, because 122312252520155 - 2⁶ = 122312252520091 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643748697380 + ... + 643748697569.

It is an arithmetic number, because the mean of its divisors is an integer number (19312460924250).

Almost surely, 2^{122312252520155} is an apocalyptic number.

122312252520155 is a deficient number, since it is larger than the sum of its proper divisors (32187434873845).

122312252520155 is a wasteful number, since it uses less digits than its factorization.

122312252520155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287497394973.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 122312252520155 in words is "one hundred twenty-two trillion, three hundred twelve billion, two hundred fifty-two million, five hundred twenty thousand, one hundred fifty-five".