321404224120412 has 24 divisors (see below), whose sum is σ = 571681776222480. Its totient is φ = 158066608527360.

The previous prime is 321404224120379. The next prime is 321404224120429. The reversal of 321404224120412 is 214021422404123.

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, 33391388 + ... + 41926044.

It is an arithmetic number, because the mean of its divisors is an integer number (23820074009270).

Almost surely, 2^{321404224120412} is an apocalyptic number.

It is an amenable number.

321404224120412 is a deficient number, since it is larger than the sum of its proper divisors (250277552102068).

321404224120412 is a wasteful number, since it uses less digits than its factorization.

321404224120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8689061 (or 8689059 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 321404224120412 its reverse (214021422404123), we get a palindrome (535425646524535).

The spelling of 321404224120412 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred twenty-four million, one hundred twenty thousand, four hundred twelve".