253230434656122 has 128 divisors (see below), whose sum is σ = 643320942336000. Its totient is φ = 64539801043200.

The previous prime is 253230434656091. The next prime is 253230434656123. The reversal of 253230434656122 is 221656434032352.

It is a super-2 number, since 2×253230434656122² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253230434656123) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 6160504 + ... + 23332652.

It is an arithmetic number, because the mean of its divisors is an integer number (5025944862000).

Almost surely, 2^{253230434656122} is an apocalyptic number.

253230434656122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 253230434656122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321660471168000).

253230434656122 is an abundant number, since it is smaller than the sum of its proper divisors (390090507679878).

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

253230434656122 is a wasteful number, since it uses less digits than its factorization.

253230434656122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17172772.

The product of its (nonzero) digits is 6220800, while the sum is 48.

Adding to 253230434656122 its reverse (221656434032352), we get a palindrome (474886868688474).

The spelling of 253230434656122 in words is "two hundred fifty-three trillion, two hundred thirty billion, four hundred thirty-four million, six hundred fifty-six thousand, one hundred twenty-two".