912001213 has 2 divisors, whose sum is σ = 912001214. Its totient is φ = 912001212.

The previous prime is 912001199. The next prime is 912001217. The reversal of 912001213 is 312100219.

912001213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670447449 + 241553764 = 25893^2 + 15542^2 .

It is a cyclic number.

It is not a de Polignac number, because 912001213 - 2¹³ = 911993021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912001217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456000606 + 456000607.

It is an arithmetic number, because the mean of its divisors is an integer number (456000607).

Almost surely, 2^912001213 is an apocalyptic number.

It is an amenable number.

912001213 is a deficient number, since it is larger than the sum of its proper divisors (1).

912001213 is an equidigital number, since it uses as much as digits as its factorization.

912001213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 912001213 is about 30199.3578242982. The cubic root of 912001213 is about 969.7619471096.

The spelling of 912001213 in words is "nine hundred twelve million, one thousand, two hundred thirteen".