254402143113122 has 16 divisors (see below), whose sum is σ = 401695988654400. Its totient is φ = 120503760037200.

The previous prime is 254402143113091. The next prime is 254402143113133. The reversal of 254402143113122 is 221311341204452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68109254 + ... + 71747297.

It is an arithmetic number, because the mean of its divisors is an integer number (25105999290900).

Almost surely, 2^{254402143113122} is an apocalyptic number.

254402143113122 is a deficient number, since it is larger than the sum of its proper divisors (147293845541278).

254402143113122 is a wasteful number, since it uses less digits than its factorization.

254402143113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139904441.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 254402143113122 its reverse (221311341204452), we get a palindrome (475713484317574).

The spelling of 254402143113122 in words is "two hundred fifty-four trillion, four hundred two billion, one hundred forty-three million, one hundred thirteen thousand, one hundred twenty-two".