321420033020112 has 80 divisors (see below), whose sum is σ = 899902601297280. Its totient is φ = 98268545097216.

The previous prime is 321420033020017. The next prime is 321420033020143. The reversal of 321420033020112 is 211020330024123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640335812 + ... + 1640531747.

It is an arithmetic number, because the mean of its divisors is an integer number (11248782516216).

Almost surely, 2^{321420033020112} is an apocalyptic number.

It is an amenable number.

321420033020112 is an abundant number, since it is smaller than the sum of its proper divisors (578482568277168).

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

321420033020112 is a wasteful number, since it uses less digits than its factorization.

321420033020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280867740 (or 3280867734 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 321420033020112 its reverse (211020330024123), we get a palindrome (532440363044235).

The spelling of 321420033020112 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-three million, twenty thousand, one hundred twelve".