252154000240122 has 16 divisors (see below), whose sum is σ = 504520162057152. Its totient is φ = 84015973150560.

The previous prime is 252154000240069. The next prime is 252154000240141. The reversal of 252154000240122 is 221042000451252.

It is a self number, because there is not a number n which added to its sum of digits gives 252154000240122.

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, 8840050254 + ... + 8840078777.

It is an arithmetic number, because the mean of its divisors is an integer number (31532510128572).

Almost surely, 2^{252154000240122} is an apocalyptic number.

252154000240122 is an abundant number, since it is smaller than the sum of its proper divisors (252366161817030).

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

252154000240122 is a wasteful number, since it uses less digits than its factorization.

252154000240122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680131413.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 252154000240122 its reverse (221042000451252), we get a palindrome (473196000691374).

The spelling of 252154000240122 in words is "two hundred fifty-two trillion, one hundred fifty-four billion, two hundred forty thousand, one hundred twenty-two".