12001130113123 has 4 divisors (see below), whose sum is σ = 12117645939568. Its totient is φ = 11884614286680.

The previous prime is 12001130113117. The next prime is 12001130113139. The reversal of 12001130113123 is 32131103110021.

12001130113123 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.

It is a cyclic number.

It is not a de Polignac number, because 12001130113123 - 2³⁷ = 11863691159651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001130113123.

It is not an unprimeable number, because it can be changed into a prime (12001130119123) 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, 58257913068 + ... + 58257913273.

It is an arithmetic number, because the mean of its divisors is an integer number (3029411484892).

Almost surely, 2^{12001130113123} is an apocalyptic number.

12001130113123 is a deficient number, since it is larger than the sum of its proper divisors (116515826445).

12001130113123 is a wasteful number, since it uses less digits than its factorization.

12001130113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116515826444.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12001130113123 its reverse (32131103110021), we get a palindrome (44132233223144).

The spelling of 12001130113123 in words is "twelve trillion, one billion, one hundred thirty million, one hundred thirteen thousand, one hundred twenty-three".