12013120023 has 8 divisors (see below), whose sum is σ = 16959698928. Its totient is φ = 7537643904.

The previous prime is 12013120013. The next prime is 12013120027. The reversal of 12013120023 is 32002131021.

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

It is not a de Polignac number, because 12013120023 - 2⁵ = 12013119991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12013119984 and 12013120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013120027) 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, 117775636 + ... + 117775737.

It is an arithmetic number, because the mean of its divisors is an integer number (2119962366).

Almost surely, 2^12013120023 is an apocalyptic number.

12013120023 is a deficient number, since it is larger than the sum of its proper divisors (4946578905).

12013120023 is a wasteful number, since it uses less digits than its factorization.

12013120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235551393.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12013120023 its reverse (32002131021), we get a palindrome (44015251044).

The spelling of 12013120023 in words is "twelve billion, thirteen million, one hundred twenty thousand, twenty-three".