7212000122 has 16 divisors (see below), whose sum is σ = 11290952232. Its totient is φ = 3451668480.

The previous prime is 7212000079. The next prime is 7212000137. The reversal of 7212000122 is 2210002127.

It can be written as a sum of positive squares in 4 ways, for example, as 6686169361 + 525830761 = 81769^2 + 22931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7212000122.

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, 825383 + ... + 834074.

Almost surely, 2^7212000122 is an apocalyptic number.

7212000122 is a deficient number, since it is larger than the sum of its proper divisors (4078952110).

7212000122 is a wasteful number, since it uses less digits than its factorization.

7212000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659553.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7212000122 is about 84923.4957005421. The cubic root of 7212000122 is about 1932.0509506586.

Adding to 7212000122 its reverse (2210002127), we get a palindrome (9422002249).

The spelling of 7212000122 in words is "seven billion, two hundred twelve million, one hundred twenty-two", and thus it is an aban number.