12120300323213 has 4 divisors (see below), whose sum is σ = 12758210866560. Its totient is φ = 11482389779868.

The previous prime is 12120300323143. The next prime is 12120300323239. The reversal of 12120300323213 is 31232300302121.

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 12120300323213 - 2³² = 12116005355917 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 (12120300320213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318955271645 + ... + 318955271682.

It is an arithmetic number, because the mean of its divisors is an integer number (3189552716640).

Almost surely, 2^{12120300323213} is an apocalyptic number.

It is an amenable number.

12120300323213 is a deficient number, since it is larger than the sum of its proper divisors (637910543347).

12120300323213 is an equidigital number, since it uses as much as digits as its factorization.

12120300323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637910543346.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12120300323213 its reverse (31232300302121), we get a palindrome (43352600625334).

The spelling of 12120300323213 in words is "twelve trillion, one hundred twenty billion, three hundred million, three hundred twenty-three thousand, two hundred thirteen".