12001233301121 has 4 divisors (see below), whose sum is σ = 12001379194032. Its totient is φ = 12001087408212.

The previous prime is 12001233301091. The next prime is 12001233301151. The reversal of 12001233301121 is 12110333210021.

It is a happy number.

12001233301121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12001233301091) and next prime (12001233301151).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001233301121 is a prime.

It is a super-3 number, since 3×12001233301121³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001233301093 and 12001233301102.

It is not an unprimeable number, because it can be changed into a prime (12001233301151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72822995 + ... + 72987608.

It is an arithmetic number, because the mean of its divisors is an integer number (3000344798508).

Almost surely, 2^{12001233301121} is an apocalyptic number.

It is an amenable number.

12001233301121 is a deficient number, since it is larger than the sum of its proper divisors (145892911).

12001233301121 is an equidigital number, since it uses as much as digits as its factorization.

12001233301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145892910.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12001233301121 its reverse (12110333210021), we get a palindrome (24111566511142).

The spelling of 12001233301121 in words is "twelve trillion, one billion, two hundred thirty-three million, three hundred one thousand, one hundred twenty-one".