212040799 has 2 divisors, whose sum is σ = 212040800. Its totient is φ = 212040798.

The previous prime is 212040793. The next prime is 212040827. The reversal of 212040799 is 997040212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212040799 - 2²³ = 203652191 is a prime.

It is a super-2 number, since 2×212040799² = 89922600881116802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212040793) 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, 106020399 + 106020400.

It is an arithmetic number, because the mean of its divisors is an integer number (106020400).

Almost surely, 2^212040799 is an apocalyptic number.

212040799 is a deficient number, since it is larger than the sum of its proper divisors (1).

212040799 is an equidigital number, since it uses as much as digits as its factorization.

212040799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 212040799 is about 14561.6207545726. The cubic root of 212040799 is about 596.3114438714.

The spelling of 212040799 in words is "two hundred twelve million, forty thousand, seven hundred ninety-nine".