281357713122 has 16 divisors (see below), whose sum is σ = 580867537152. Its totient is φ = 90760552560.

The previous prime is 281357713111. The next prime is 281357713183. The reversal of 281357713122 is 221317753182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756337753 + ... + 756338124.

It is an arithmetic number, because the mean of its divisors is an integer number (36304221072).

Almost surely, 2^281357713122 is an apocalyptic number.

281357713122 is an abundant number, since it is smaller than the sum of its proper divisors (299509824030).

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

281357713122 is a wasteful number, since it uses less digits than its factorization.

281357713122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512675913.

The product of its digits is 141120, while the sum is 42.

The spelling of 281357713122 in words is "two hundred eighty-one billion, three hundred fifty-seven million, seven hundred thirteen thousand, one hundred twenty-two".