323212220021332 has 24 divisors (see below), whose sum is σ = 566246702391552. Its totient is φ = 161427450693600.

The previous prime is 323212220021269. The next prime is 323212220021389. The reversal of 323212220021332 is 233120022212323.

It is a super-2 number, since 2×323212220021332² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212220021332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613353438 + ... + 613880170.

It is an arithmetic number, because the mean of its divisors is an integer number (23593612599648).

Almost surely, 2^{323212220021332} is an apocalyptic number.

It is an amenable number.

323212220021332 is a deficient number, since it is larger than the sum of its proper divisors (243034482370220).

323212220021332 is a wasteful number, since it uses less digits than its factorization.

323212220021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696039 (or 696037 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 323212220021332 its reverse (233120022212323), we get a palindrome (556332242233655).

The spelling of 323212220021332 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty million, twenty-one thousand, three hundred thirty-two".