212012300999 has 4 divisors (see below), whose sum is σ = 212245026720. Its totient is φ = 211779575280.

The previous prime is 212012300959. The next prime is 212012301043. The reversal of 212012300999 is 999003210212.

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 212012300999 - 2²⁰ = 212011252423 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 (212012300959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116361494 + ... + 116363315.

It is an arithmetic number, because the mean of its divisors is an integer number (53061256680).

Almost surely, 2^212012300999 is an apocalyptic number.

212012300999 is a deficient number, since it is larger than the sum of its proper divisors (232725721).

212012300999 is an equidigital number, since it uses as much as digits as its factorization.

212012300999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232725720.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 212012300999 in words is "two hundred twelve billion, twelve million, three hundred thousand, nine hundred ninety-nine".