320212211999 has 2 divisors, whose sum is σ = 320212212000. Its totient is φ = 320212211998.

The previous prime is 320212211929. The next prime is 320212212031. The reversal of 320212211999 is 999112212023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320212211999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320212211929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160106105999 + 160106106000.

It is an arithmetic number, because the mean of its divisors is an integer number (160106106000).

Almost surely, 2^320212211999 is an apocalyptic number.

320212211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

320212211999 is an equidigital number, since it uses as much as digits as its factorization.

320212211999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 320212211999 in words is "three hundred twenty billion, two hundred twelve million, two hundred eleven thousand, nine hundred ninety-nine".