12130521361 has 8 divisors (see below), whose sum is σ = 13923993920. Its totient is φ = 10352184048.

The previous prime is 12130521349. The next prime is 12130521419. The reversal of 12130521361 is 16312503121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12130521361 - 2⁹ = 12130520849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130521341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782091 + ... + 3785296.

It is an arithmetic number, because the mean of its divisors is an integer number (1740499240).

Almost surely, 2^12130521361 is an apocalyptic number.

It is an amenable number.

12130521361 is a deficient number, since it is larger than the sum of its proper divisors (1793472559).

12130521361 is an equidigital number, since it uses as much as digits as its factorization.

12130521361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567623.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 12130521361 in words is "twelve billion, one hundred thirty million, five hundred twenty-one thousand, three hundred sixty-one".