12120032230321 has 4 divisors (see below), whose sum is σ = 12135432526192. Its totient is φ = 12104631934452.

The previous prime is 12120032230297. The next prime is 12120032230373. The reversal of 12120032230321 is 12303223002121.

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 a cyclic number.

It is not a de Polignac number, because 12120032230321 - 2⁷ = 12120032230193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120032230292 and 12120032230301.

It is not an unprimeable number, because it can be changed into a prime (12120032230921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7700146755 + ... + 7700148328.

It is an arithmetic number, because the mean of its divisors is an integer number (3033858131548).

Almost surely, 2^{12120032230321} is an apocalyptic number.

It is an amenable number.

12120032230321 is a deficient number, since it is larger than the sum of its proper divisors (15400295871).

12120032230321 is an equidigital number, since it uses as much as digits as its factorization.

12120032230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400295870.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12120032230321 its reverse (12303223002121), we get a palindrome (24423255232442).

The spelling of 12120032230321 in words is "twelve trillion, one hundred twenty billion, thirty-two million, two hundred thirty thousand, three hundred twenty-one".