213012299 has 2 divisors, whose sum is σ = 213012300. Its totient is φ = 213012298.

The previous prime is 213012281. The next prime is 213012301. The reversal of 213012299 is 992210312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213012299 - 2⁸ = 213012043 is a prime.

Together with 213012301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213012209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506149 + 106506150.

It is an arithmetic number, because the mean of its divisors is an integer number (106506150).

Almost surely, 2^213012299 is an apocalyptic number.

213012299 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012299 is an equidigital number, since it uses as much as digits as its factorization.

213012299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 213012299 is about 14594.9408700412. The cubic root of 213012299 is about 597.2207564042.

The spelling of 213012299 in words is "two hundred thirteen million, twelve thousand, two hundred ninety-nine".