321012321401420 has 24 divisors (see below), whose sum is σ = 735410045392848. Its totient is φ = 116731753236800.

The previous prime is 321012321401417. The next prime is 321012321401441. The reversal of 321012321401420 is 24104123210123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 321012321401420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729573457511 + ... + 729573457950.

It is an arithmetic number, because the mean of its divisors is an integer number (30642085224702).

Almost surely, 2^{321012321401420} is an apocalyptic number.

It is an amenable number.

321012321401420 is an abundant number, since it is smaller than the sum of its proper divisors (414397723991428).

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

321012321401420 is a wasteful number, since it uses less digits than its factorization.

321012321401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459146915481 (or 1459146915479 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 321012321401420 its reverse (24104123210123), we get a palindrome (345116444611543).

The spelling of 321012321401420 in words is "three hundred twenty-one trillion, twelve billion, three hundred twenty-one million, four hundred one thousand, four hundred twenty".