321132203012 has 12 divisors (see below), whose sum is σ = 563488010316. Its totient is φ = 160135628640.

The previous prime is 321132202999. The next prime is 321132203027. The reversal of 321132203012 is 210302231123.

It can be written as a sum of positive squares in 2 ways, for example, as 195464788996 + 125667414016 = 442114^2 + 354496^2 .

It is a super-2 number, since 2×321132203012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107616539 + ... + 107619522.

It is an arithmetic number, because the mean of its divisors is an integer number (46957334193).

Almost surely, 2^321132203012 is an apocalyptic number.

It is an amenable number.

321132203012 is a deficient number, since it is larger than the sum of its proper divisors (242355807304).

321132203012 is a wasteful number, since it uses less digits than its factorization.

321132203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215236438 (or 215236436 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321132203012 its reverse (210302231123), we get a palindrome (531434434135).

The spelling of 321132203012 in words is "three hundred twenty-one billion, one hundred thirty-two million, two hundred three thousand, twelve".