3112212949 has 2 divisors, whose sum is σ = 3112212950. Its totient is φ = 3112212948.

The previous prime is 3112212937. The next prime is 3112213009. The reversal of 3112212949 is 9492122113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3014559025 + 97653924 = 54905^2 + 9882^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112212949 - 2⁹ = 3112212437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112212349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556106474 + 1556106475.

It is an arithmetic number, because the mean of its divisors is an integer number (1556106475).

Almost surely, 2^3112212949 is an apocalyptic number.

It is an amenable number.

3112212949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112212949 is an equidigital number, since it uses as much as digits as its factorization.

3112212949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 3112212949 is about 55787.2113391591. The cubic root of 3112212949 is about 1460.0120329589.

The spelling of 3112212949 in words is "three billion, one hundred twelve million, two hundred twelve thousand, nine hundred forty-nine".