212753999 has 2 divisors, whose sum is σ = 212754000. Its totient is φ = 212753998.

The previous prime is 212753987. The next prime is 212754089. The reversal of 212753999 is 999357212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212753999 - 2²⁴ = 195976783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212753969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106376999 + 106377000.

It is an arithmetic number, because the mean of its divisors is an integer number (106377000).

Almost surely, 2^212753999 is an apocalyptic number.

212753999 is a deficient number, since it is larger than the sum of its proper divisors (1).

212753999 is an equidigital number, since it uses as much as digits as its factorization.

212753999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 47.

The square root of 212753999 is about 14586.0892291251. The cubic root of 212753999 is about 596.9792609331.

The spelling of 212753999 in words is "two hundred twelve million, seven hundred fifty-three thousand, nine hundred ninety-nine".