12013133123 has 8 divisors (see below), whose sum is σ = 12130885920. Its totient is φ = 11895883200.

The previous prime is 12013133029. The next prime is 12013133137. The reversal of 12013133123 is 32133131021.

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

It is a cyclic number.

It is not a de Polignac number, because 12013133123 - 2¹⁰ = 12013132099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013133095 and 12013133104.

It is not an unprimeable number, because it can be changed into a prime (12013130123) 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, 77618 + ... + 173351.

It is an arithmetic number, because the mean of its divisors is an integer number (1516360740).

Almost surely, 2^12013133123 is an apocalyptic number.

12013133123 is a deficient number, since it is larger than the sum of its proper divisors (117752797).

12013133123 is a wasteful number, since it uses less digits than its factorization.

12013133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251437.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12013133123 its reverse (32133131021), we get a palindrome (44146264144).

The spelling of 12013133123 in words is "twelve billion, thirteen million, one hundred thirty-three thousand, one hundred twenty-three".