12300031022121 has 20 divisors (see below), whose sum is σ = 18632910852864. Its totient is φ = 8084527428600.

The previous prime is 12300031022107. The next prime is 12300031022179. The reversal of 12300031022121 is 12122013000321.

12300031022121 is a `hidden beast` number, since 1 + 230 + 0 + 0 + 310 + 2 + 2 + 121 = 666.

It is not a de Polignac number, because 12300031022121 - 2⁵ = 12300031022089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12300031022094 and 12300031022103.

It is not an unprimeable number, because it can be changed into a prime (12300031022921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1069376185 + ... + 1069387686.

Almost surely, 2^{12300031022121} is an apocalyptic number.

It is an amenable number.

12300031022121 is a deficient number, since it is larger than the sum of its proper divisors (6332879830743).

12300031022121 is an equidigital number, since it uses as much as digits as its factorization.

12300031022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138763954 (or 2138763945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12300031022121 its reverse (12122013000321), we get a palindrome (24422044022442).

The spelling of 12300031022121 in words is "twelve trillion, three hundred billion, thirty-one million, twenty-two thousand, one hundred twenty-one".