321212245540104 has 24 divisors (see below), whose sum is σ = 869949831671310. Its totient is φ = 107070748513344.

The previous prime is 321212245539931. The next prime is 321212245540187. The reversal of 321212245540104 is 401045542212123.

321212245540104 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 1 + 2 + 2 + 4 + 5 + 540 + 104 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175226164239204 + 145986081300900 = 13237302^2 + 12082470^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2230640593957 + ... + 2230640594100.

Almost surely, 2^{321212245540104} is an apocalyptic number.

It is an amenable number.

321212245540104 is an abundant number, since it is smaller than the sum of its proper divisors (548737586131206).

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

321212245540104 is a wasteful number, since it uses less digits than its factorization.

321212245540104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461281188069 (or 4461281188062 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 321212245540104 its reverse (401045542212123), we get a palindrome (722257787752227).

The spelling of 321212245540104 in words is "three hundred twenty-one trillion, two hundred twelve billion, two hundred forty-five million, five hundred forty thousand, one hundred four".