12012110023 has 12 divisors (see below), whose sum is σ = 12947355360. Its totient is φ = 11137752576.

The previous prime is 12012110003. The next prime is 12012110029. The reversal of 12012110023 is 32001121021.

It is not a de Polignac number, because 12012110023 - 2²¹ = 12010012871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012109985 and 12012110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012110029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337018 + ... + 370951.

It is an arithmetic number, because the mean of its divisors is an integer number (1078946280).

Almost surely, 2^12012110023 is an apocalyptic number.

12012110023 is a deficient number, since it is larger than the sum of its proper divisors (935245337).

12012110023 is an equidigital number, since it uses as much as digits as its factorization.

12012110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708054 (or 708035 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012110023 its reverse (32001121021), we get a palindrome (44013231044).

The spelling of 12012110023 in words is "twelve billion, twelve million, one hundred ten thousand, twenty-three".