321120442122430 has 32 divisors (see below), whose sum is σ = 578170971584640. Its totient is φ = 128413917127680.

The previous prime is 321120442122349. The next prime is 321120442122437. The reversal of 321120442122430 is 34221244021123.

It is a junction number, because it is equal to n+sod(n) for n = 321120442122392 and 321120442122401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321120442122437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435672472 + ... + 2435804308.

It is an arithmetic number, because the mean of its divisors is an integer number (18067842862020).

Almost surely, 2^{321120442122430} is an apocalyptic number.

321120442122430 is a deficient number, since it is larger than the sum of its proper divisors (257050529462210).

321120442122430 is a wasteful number, since it uses less digits than its factorization.

321120442122430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194964.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 321120442122430 its reverse (34221244021123), we get a palindrome (355341686143553).

The spelling of 321120442122430 in words is "three hundred twenty-one trillion, one hundred twenty billion, four hundred forty-two million, one hundred twenty-two thousand, four hundred thirty".