12002130230121 has 24 divisors (see below), whose sum is σ = 17502892037280. Its totient is φ = 7924620557376.

The previous prime is 12002130230113. The next prime is 12002130230147. The reversal of 12002130230121 is 12103203120021.

12002130230121 is a `hidden beast` number, since 1 + 20 + 0 + 21 + 302 + 301 + 21 = 666.

It is not a de Polignac number, because 12002130230121 - 2³ = 12002130230113 is a prime.

It is a super-2 number, since 2×12002130230121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12002130230094 and 12002130230103.

It is not an unprimeable number, because it can be changed into a prime (12002130230221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2197566 + ... + 5369688.

It is an arithmetic number, because the mean of its divisors is an integer number (729287168220).

Almost surely, 2^{12002130230121} is an apocalyptic number.

It is an amenable number.

12002130230121 is a deficient number, since it is larger than the sum of its proper divisors (5500761807159).

12002130230121 is a wasteful number, since it uses less digits than its factorization.

12002130230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176165 (or 3176162 counting only the distinct ones).

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

Adding to 12002130230121 its reverse (12103203120021), we get a palindrome (24105333350142).

The spelling of 12002130230121 in words is "twelve trillion, two billion, one hundred thirty million, two hundred thirty thousand, one hundred twenty-one".