251053532432122 has 32 divisors (see below), whose sum is σ = 432107528670720. Its totient is φ = 107161890462000.

The previous prime is 251053532432111. The next prime is 251053532432159. The reversal of 251053532432122 is 221234235350152.

It is a super-2 number, since 2×251053532432122² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98493529 + ... + 101010307.

It is an arithmetic number, because the mean of its divisors is an integer number (13503360270960).

Almost surely, 2^{251053532432122} is an apocalyptic number.

251053532432122 is a deficient number, since it is larger than the sum of its proper divisors (181053996238598).

251053532432122 is a wasteful number, since it uses less digits than its factorization.

251053532432122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545426.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 251053532432122 its reverse (221234235350152), we get a palindrome (472287767782274).

The spelling of 251053532432122 in words is "two hundred fifty-one trillion, fifty-three billion, five hundred thirty-two million, four hundred thirty-two thousand, one hundred twenty-two".