253450244010122 has 4 divisors (see below), whose sum is σ = 380175366015186. Its totient is φ = 126725122005060.

The previous prime is 253450244010109. The next prime is 253450244010209. The reversal of 253450244010122 is 221010442054352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 207030399879601 + 46419844130521 = 14388551^2 + 6813211^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63362561002529 + ... + 63362561002532.

Almost surely, 2^{253450244010122} is an apocalyptic number.

253450244010122 is a deficient number, since it is larger than the sum of its proper divisors (126725122005064).

253450244010122 is a wasteful number, since it uses less digits than its factorization.

253450244010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126725122005063.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 253450244010122 its reverse (221010442054352), we get a palindrome (474460686064474).

The spelling of 253450244010122 in words is "two hundred fifty-three trillion, four hundred fifty billion, two hundred forty-four million, ten thousand, one hundred twenty-two".