12120131013321 has 8 divisors (see below), whose sum is σ = 16504008188544. Its totient is φ = 7908170590160.

The previous prime is 12120131013259. The next prime is 12120131013371. The reversal of 12120131013321 is 12331013102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120131013321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120131013371) 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 7 ways as a sum of consecutive naturals, for example, 42979187850 + ... + 42979188131.

It is an arithmetic number, because the mean of its divisors is an integer number (2063001023568).

Almost surely, 2^{12120131013321} is an apocalyptic number.

It is an amenable number.

12120131013321 is a deficient number, since it is larger than the sum of its proper divisors (4383877175223).

12120131013321 is an equidigital number, since it uses as much as digits as its factorization.

12120131013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85958376031.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12120131013321 its reverse (12331013102121), we get a palindrome (24451144115442).

The spelling of 12120131013321 in words is "twelve trillion, one hundred twenty billion, one hundred thirty-one million, thirteen thousand, three hundred twenty-one".