320212232999 has 16 divisors (see below), whose sum is σ = 339082694880. Its totient is φ = 301544208000.

The previous prime is 320212232971. The next prime is 320212233017. The reversal of 320212232999 is 999232212023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320212232999 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 (320212232909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30488249 + ... + 30498749.

It is an arithmetic number, because the mean of its divisors is an integer number (21192668430).

Almost surely, 2^320212232999 is an apocalyptic number.

320212232999 is a deficient number, since it is larger than the sum of its proper divisors (18870461881).

320212232999 is a wasteful number, since it uses less digits than its factorization.

320212232999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19970.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 320212232999 in words is "three hundred twenty billion, two hundred twelve million, two hundred thirty-two thousand, nine hundred ninety-nine".