321204120010422 has 64 divisors (see below), whose sum is σ = 701039476491264. Its totient is φ = 97302575111840.

The previous prime is 321204120010369. The next prime is 321204120010441. The reversal of 321204120010422 is 224010021402123.

It is a junction number, because it is equal to n+sod(n) for n = 321204120010392 and 321204120010401.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2612139913 + ... + 2612262875.

It is an arithmetic number, because the mean of its divisors is an integer number (10953741820176).

Almost surely, 2^{321204120010422} is an apocalyptic number.

321204120010422 is an abundant number, since it is smaller than the sum of its proper divisors (379835356480842).

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

321204120010422 is a wasteful number, since it uses less digits than its factorization.

321204120010422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135673.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 321204120010422 its reverse (224010021402123), we get a palindrome (545214141412545).

The spelling of 321204120010422 in words is "three hundred twenty-one trillion, two hundred four billion, one hundred twenty million, ten thousand, four hundred twenty-two".