12012102110231 has 4 divisors (see below), whose sum is σ = 12012206988600. Its totient is φ = 12011997231864.

The previous prime is 12012102110219. The next prime is 12012102110233. The reversal of 12012102110231 is 13201120121021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12012102110231 - 2⁶ = 12012102110167 is a prime.

It is a super-2 number, since 2×12012102110231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012102110233) 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, 52267196 + ... + 52496513.

It is an arithmetic number, because the mean of its divisors is an integer number (3003051747150).

Almost surely, 2^{12012102110231} is an apocalyptic number.

12012102110231 is a deficient number, since it is larger than the sum of its proper divisors (104878369).

12012102110231 is a wasteful number, since it uses less digits than its factorization.

12012102110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104878368.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12012102110231 its reverse (13201120121021), we get a palindrome (25213222231252).

The spelling of 12012102110231 in words is "twelve trillion, twelve billion, one hundred two million, one hundred ten thousand, two hundred thirty-one".