12300112232121 has 32 divisors (see below), whose sum is σ = 19273750030080. Its totient is φ = 6830091576576.

The previous prime is 12300112232117. The next prime is 12300112232137. The reversal of 12300112232121 is 12123221100321.

It is not a de Polignac number, because 12300112232121 - 2² = 12300112232117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12300112232141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9311886 + ... + 10550423.

It is an arithmetic number, because the mean of its divisors is an integer number (602304688440).

Almost surely, 2^{12300112232121} is an apocalyptic number.

It is an amenable number.

12300112232121 is a deficient number, since it is larger than the sum of its proper divisors (6973637797959).

12300112232121 is a wasteful number, since it uses less digits than its factorization.

12300112232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19863153.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12300112232121 its reverse (12123221100321), we get a palindrome (24423333332442).

The spelling of 12300112232121 in words is "twelve trillion, three hundred billion, one hundred twelve million, two hundred thirty-two thousand, one hundred twenty-one".