254344021405122 has 32 divisors (see below), whose sum is σ = 554994063941184. Its totient is φ = 77065382880000.

The previous prime is 254344021405079. The next prime is 254344021405157. The reversal of 254344021405122 is 221504120443452.

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, 213476443 + ... + 214664574.

It is an arithmetic number, because the mean of its divisors is an integer number (17343564498162).

Almost surely, 2^{254344021405122} is an apocalyptic number.

254344021405122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

254344021405122 is an abundant number, since it is smaller than the sum of its proper divisors (300650042536062).

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

254344021405122 is a wasteful number, since it uses less digits than its factorization.

254344021405122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428150034.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 254344021405122 its reverse (221504120443452), we get a palindrome (475848141848574).

The spelling of 254344021405122 in words is "two hundred fifty-four trillion, three hundred forty-four billion, twenty-one million, four hundred five thousand, one hundred twenty-two".