120213312321 has 32 divisors (see below), whose sum is σ = 171039496320. Its totient is φ = 74838941696.

The previous prime is 120213312313. The next prime is 120213312343. The reversal of 120213312321 is 123213312021.

It is not a de Polignac number, because 120213312321 - 2³ = 120213312313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120213313321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20238370 + ... + 20244308.

It is an arithmetic number, because the mean of its divisors is an integer number (5344984260).

Almost surely, 2^120213312321 is an apocalyptic number.

It is an amenable number.

120213312321 is a deficient number, since it is larger than the sum of its proper divisors (50826183999).

120213312321 is a wasteful number, since it uses less digits than its factorization.

120213312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120213312321 its reverse (123213312021), we get a palindrome (243426624342).

The spelling of 120213312321 in words is "one hundred twenty billion, two hundred thirteen million, three hundred twelve thousand, three hundred twenty-one".