212424799 has 4 divisors (see below), whose sum is σ = 212851000. Its totient is φ = 211998600.

The previous prime is 212424791. The next prime is 212424827. The reversal of 212424799 is 997424212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212424799 - 2³ = 212424791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212352 + ... + 213349.

It is an arithmetic number, because the mean of its divisors is an integer number (53212750).

Almost surely, 2^212424799 is an apocalyptic number.

212424799 is a deficient number, since it is larger than the sum of its proper divisors (426201).

212424799 is an equidigital number, since it uses as much as digits as its factorization.

212424799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426200.

The product of its digits is 72576, while the sum is 40.

The square root of 212424799 is about 14574.8001358509. The cubic root of 212424799 is about 596.6711946155.

The spelling of 212424799 in words is "two hundred twelve million, four hundred twenty-four thousand, seven hundred ninety-nine".