323212021131998 has 16 divisors (see below), whose sum is σ = 513417465804960. Its totient is φ = 152075855728896.

The previous prime is 323212021131997. The next prime is 323212021132001. The reversal of 323212021131998 is 899131120212323.

It is a super-2 number, since 2×323212021131998² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212021131997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747246911 + ... + 747679322.

It is an arithmetic number, because the mean of its divisors is an integer number (32088591612810).

Almost surely, 2^{323212021131998} is an apocalyptic number.

323212021131998 is a deficient number, since it is larger than the sum of its proper divisors (190205444672962).

323212021131998 is a wasteful number, since it uses less digits than its factorization.

323212021131998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494932611.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 323212021131998 in words is "three hundred twenty-three trillion, two hundred twelve billion, twenty-one million, one hundred thirty-one thousand, nine hundred ninety-eight".