212302031099 has 4 divisors (see below), whose sum is σ = 212831463000. Its totient is φ = 211772599200.

The previous prime is 212302031027. The next prime is 212302031111. The reversal of 212302031099 is 990130203212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212302031099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212302031999) 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, 264715349 + ... + 264716150.

It is an arithmetic number, because the mean of its divisors is an integer number (53207865750).

Almost surely, 2^212302031099 is an apocalyptic number.

212302031099 is a deficient number, since it is larger than the sum of its proper divisors (529431901).

212302031099 is an equidigital number, since it uses as much as digits as its factorization.

212302031099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529431900.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 212302031099 in words is "two hundred twelve billion, three hundred two million, thirty-one thousand, ninety-nine".