12132012323 has 4 divisors (see below), whose sum is σ = 12302885808. Its totient is φ = 11961138840.

The previous prime is 12132012317. The next prime is 12132012341. The reversal of 12132012323 is 32321023121.

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 12132012323 - 2⁴ = 12132012307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132012295 and 12132012304.

It is not an unprimeable number, because it can be changed into a prime (12132012313) 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, 85436636 + ... + 85436777.

It is an arithmetic number, because the mean of its divisors is an integer number (3075721452).

Almost surely, 2^12132012323 is an apocalyptic number.

12132012323 is a deficient number, since it is larger than the sum of its proper divisors (170873485).

12132012323 is an equidigital number, since it uses as much as digits as its factorization.

12132012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170873484.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12132012323 its reverse (32321023121), we get a palindrome (44453035444).

The spelling of 12132012323 in words is "twelve billion, one hundred thirty-two million, twelve thousand, three hundred twenty-three".