12120030113121 has 36 divisors (see below), whose sum is σ = 20440096170624. Its totient is φ = 6900175220400.

The previous prime is 12120030113101. The next prime is 12120030113123. The reversal of 12120030113121 is 12131103002121.

12120030113121 is a `hidden beast` number, since 1 + 212 + 0 + 0 + 301 + 131 + 21 = 666.

12120030113121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12120030113121 - 2⁶ = 12120030113057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120030113094 and 12120030113103.

It is not an unprimeable number, because it can be changed into a prime (12120030113123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50587245 + ... + 50826266.

It is an arithmetic number, because the mean of its divisors is an integer number (567780449184).

Almost surely, 2^{12120030113121} is an apocalyptic number.

It is an amenable number.

12120030113121 is a deficient number, since it is larger than the sum of its proper divisors (8320066057503).

12120030113121 is a wasteful number, since it uses less digits than its factorization.

12120030113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101413802 (or 101413792 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12120030113121 its reverse (12131103002121), we get a palindrome (24251133115242).

The spelling of 12120030113121 in words is "twelve trillion, one hundred twenty billion, thirty million, one hundred thirteen thousand, one hundred twenty-one".