12013300123 has 8 divisors (see below), whose sum is σ = 13164189696. Its totient is φ = 10872205800.

The previous prime is 12013300109. The next prime is 12013300127. The reversal of 12013300123 is 32100331021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013300123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013300097 and 12013300106.

It is not an unprimeable number, because it can be changed into a prime (12013300127) 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, 2446243 + ... + 2451148.

It is an arithmetic number, because the mean of its divisors is an integer number (1645523712).

Almost surely, 2^12013300123 is an apocalyptic number.

12013300123 is a deficient number, since it is larger than the sum of its proper divisors (1150889573).

12013300123 is a wasteful number, since it uses less digits than its factorization.

12013300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897625.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12013300123 its reverse (32100331021), we get a palindrome (44113631144).

The spelling of 12013300123 in words is "twelve billion, thirteen million, three hundred thousand, one hundred twenty-three".