712213122 has 16 divisors (see below), whose sum is σ = 1427721120. Its totient is φ = 236855232.

The previous prime is 712213097. The next prime is 712213207. The reversal of 712213122 is 221312217.

It is a super-2 number, since 2×712213122² = 1014495062297973768, which contains 22 as substring.

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, 134472 + ... + 139667.

It is an arithmetic number, because the mean of its divisors is an integer number (89232570).

Almost surely, 2^712213122 is an apocalyptic number.

712213122 is an abundant number, since it is smaller than the sum of its proper divisors (715507998).

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

712213122 is a wasteful number, since it uses less digits than its factorization.

712213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274577.

The product of its digits is 336, while the sum is 21.

The square root of 712213122 is about 26687.3213717675. The cubic root of 712213122 is about 893.0381053041.

Adding to 712213122 its reverse (221312217), we get a palindrome (933525339).

The spelling of 712213122 in words is "seven hundred twelve million, two hundred thirteen thousand, one hundred twenty-two".