122356850181 has 8 divisors (see below), whose sum is σ = 163987765440. Its totient is φ = 81148584192.

The previous prime is 122356850159. The next prime is 122356850207. The reversal of 122356850181 is 181058653221.

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

It is not a de Polignac number, because 122356850181 - 2⁶ = 122356850117 is a prime.

It is a super-2 number, since 2×122356850181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122356850281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105661641 + ... + 105662798.

It is an arithmetic number, because the mean of its divisors is an integer number (20498470680).

Almost surely, 2^122356850181 is an apocalyptic number.

It is an amenable number.

122356850181 is a deficient number, since it is larger than the sum of its proper divisors (41630915259).

122356850181 is a wasteful number, since it uses less digits than its factorization.

122356850181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211324635.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 122356850181 in words is "one hundred twenty-two billion, three hundred fifty-six million, eight hundred fifty thousand, one hundred eighty-one".