13122000123 has 4 divisors (see below), whose sum is σ = 17496000168. Its totient is φ = 8748000080.

The previous prime is 13122000119. The next prime is 13122000163. The reversal of 13122000123 is 32100022131.

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 13122000123 - 2² = 13122000119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122000163) 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, 2187000018 + ... + 2187000023.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000042).

Almost surely, 2^13122000123 is an apocalyptic number.

13122000123 is a deficient number, since it is larger than the sum of its proper divisors (4374000045).

13122000123 is an equidigital number, since it uses as much as digits as its factorization.

13122000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374000044.

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

Adding to 13122000123 its reverse (32100022131), we get a palindrome (45222022254).

The spelling of 13122000123 in words is "thirteen billion, one hundred twenty-two million, one hundred twenty-three", and thus it is an aban number.