731002222002122 has 16 divisors (see below), whose sum is σ = 1253176728140160. Its totient is φ = 313279151109648.

The previous prime is 731002222002089. The next prime is 731002222002161. The reversal of 731002222002122 is 221200222200137.

It is a junction number, because it is equal to n+sod(n) for n = 731002222002091 and 731002222002100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625684097 + ... + 626851332.

It is an arithmetic number, because the mean of its divisors is an integer number (78323545508760).

Almost surely, 2^{731002222002122} is an apocalyptic number.

731002222002122 is a deficient number, since it is larger than the sum of its proper divisors (522174506138038).

731002222002122 is a wasteful number, since it uses less digits than its factorization.

731002222002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252577125.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 731002222002122 its reverse (221200222200137), we get a palindrome (952202444202259).

The spelling of 731002222002122 in words is "seven hundred thirty-one trillion, two billion, two hundred twenty-two million, two thousand, one hundred twenty-two".