7122040612 has 12 divisors (see below), whose sum is σ = 12542957980. Its totient is φ = 3538338336.

The previous prime is 7122040591. The next prime is 7122040619. The reversal of 7122040612 is 2160402217.

It can be written as a sum of positive squares in 2 ways, for example, as 1618774756 + 5503265856 = 40234^2 + 74184^2 .

It is not an unprimeable number, because it can be changed into a prime (7122040619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5669787 + ... + 5671042.

Almost surely, 2^7122040612 is an apocalyptic number.

It is an amenable number.

7122040612 is a deficient number, since it is larger than the sum of its proper divisors (5420917368).

7122040612 is a wasteful number, since it uses less digits than its factorization.

7122040612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340990 (or 11340988 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 7122040612 is about 84392.1833584130. The cubic root of 7122040612 is about 1923.9841145208.

Adding to 7122040612 its reverse (2160402217), we get a palindrome (9282442829).

The spelling of 7122040612 in words is "seven billion, one hundred twenty-two million, forty thousand, six hundred twelve".