12133100020123 has 4 divisors (see below), whose sum is σ = 12133564720128. Its totient is φ = 12132635320120.

The previous prime is 12133100020091. The next prime is 12133100020141. The reversal of 12133100020123 is 32102000133121.

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 12133100020123 - 2⁵ = 12133100020091 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 12133100020123.

It is not an unprimeable number, because it can be changed into a prime (12133100021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232310836 + ... + 232363057.

It is an arithmetic number, because the mean of its divisors is an integer number (3033391180032).

Almost surely, 2^{12133100020123} is an apocalyptic number.

12133100020123 is a deficient number, since it is larger than the sum of its proper divisors (464700005).

12133100020123 is an equidigital number, since it uses as much as digits as its factorization.

12133100020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464700004.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12133100020123 its reverse (32102000133121), we get a palindrome (44235100153244).

The spelling of 12133100020123 in words is "twelve trillion, one hundred thirty-three billion, one hundred million, twenty thousand, one hundred twenty-three".