1122012313 has 2 divisors, whose sum is σ = 1122012314. Its totient is φ = 1122012312.

The previous prime is 1122012299. The next prime is 1122012317. The reversal of 1122012313 is 3132102211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1107358729 + 14653584 = 33277^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122012313 - 2⁹ = 1122011801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122012317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561006156 + 561006157.

It is an arithmetic number, because the mean of its divisors is an integer number (561006157).

Almost surely, 2^1122012313 is an apocalyptic number.

It is an amenable number.

1122012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122012313 is an equidigital number, since it uses as much as digits as its factorization.

1122012313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1122012313 is about 33496.4522449766. The cubic root of 1122012313 is about 1039.1204079735.

Adding to 1122012313 its reverse (3132102211), we get a palindrome (4254114524).

The spelling of 1122012313 in words is "one billion, one hundred twenty-two million, twelve thousand, three hundred thirteen".