12130112113221 has 16 divisors (see below), whose sum is σ = 16217223048000. Its totient is φ = 8064876841728.

The previous prime is 12130112113219. The next prime is 12130112113307. The reversal of 12130112113221 is 12231121103121.

It is not a de Polignac number, because 12130112113221 - 2¹ = 12130112113219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130111113221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8106130 + ... + 9485228.

It is an arithmetic number, because the mean of its divisors is an integer number (1013576440500).

Almost surely, 2^{12130112113221} is an apocalyptic number.

It is an amenable number.

12130112113221 is a deficient number, since it is larger than the sum of its proper divisors (4087110934779).

12130112113221 is a wasteful number, since it uses less digits than its factorization.

12130112113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387028.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12130112113221 its reverse (12231121103121), we get a palindrome (24361233216342).

The spelling of 12130112113221 in words is "twelve trillion, one hundred thirty billion, one hundred twelve million, one hundred thirteen thousand, two hundred twenty-one".