321420033019988 has 36 divisors (see below), whose sum is σ = 655408070899092. Its totient is φ = 137522238940800.

The previous prime is 321420033019963. The next prime is 321420033020017. The reversal of 321420033019988 is 889910330024123.

It can be written as a sum of positive squares in 2 ways, for example, as 279463037253904 + 41956995766084 = 16717148^2 + 6477422^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1364190131 + ... + 1364425722.

It is an arithmetic number, because the mean of its divisors is an integer number (18205779747197).

Almost surely, 2^{321420033019988} is an apocalyptic number.

It is an amenable number.

321420033019988 is an abundant number, since it is smaller than the sum of its proper divisors (333988037879104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321420033019988 is a wasteful number, since it uses less digits than its factorization.

321420033019988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728616472 (or 2728616463 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 321420033019988 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-three million, nineteen thousand, nine hundred eighty-eight".