12312031102121 has 8 divisors (see below), whose sum is σ = 12347659011264. Its totient is φ = 12276404035920.

The previous prime is 12312031102117. The next prime is 12312031102199. The reversal of 12312031102121 is 12120113021321.

12312031102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12312031102121 - 2² = 12312031102117 is a prime.

It is a super-2 number, since 2×12312031102121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312031102093 and 12312031102102.

It is not an unprimeable number, because it can be changed into a prime (12312031102321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40259636 + ... + 40564298.

It is an arithmetic number, because the mean of its divisors is an integer number (1543457376408).

Almost surely, 2^{12312031102121} is an apocalyptic number.

It is an amenable number.

12312031102121 is a deficient number, since it is larger than the sum of its proper divisors (35627909143).

12312031102121 is a wasteful number, since it uses less digits than its factorization.

12312031102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421471.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12312031102121 its reverse (12120113021321), we get a palindrome (24432144123442).

The spelling of 12312031102121 in words is "twelve trillion, three hundred twelve billion, thirty-one million, one hundred two thousand, one hundred twenty-one".