120324320321421 has 4 divisors (see below), whose sum is σ = 160432427095232. Its totient is φ = 80216213547612.

The previous prime is 120324320321417. The next prime is 120324320321467. The reversal of 120324320321421 is 124123023423021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120324320321421 - 2² = 120324320321417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120324320301421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20054053386901 + ... + 20054053386906.

It is an arithmetic number, because the mean of its divisors is an integer number (40108106773808).

Almost surely, 2^{120324320321421} is an apocalyptic number.

It is an amenable number.

120324320321421 is a deficient number, since it is larger than the sum of its proper divisors (40108106773811).

120324320321421 is an equidigital number, since it uses as much as digits as its factorization.

120324320321421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40108106773810.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 120324320321421 its reverse (124123023423021), we get a palindrome (244447343744442).

The spelling of 120324320321421 in words is "one hundred twenty trillion, three hundred twenty-four billion, three hundred twenty million, three hundred twenty-one thousand, four hundred twenty-one".