12012132013 has 4 divisors (see below), whose sum is σ = 13728150880. Its totient is φ = 10296113148.

The previous prime is 12012131959. The next prime is 12012132031. The reversal of 12012132013 is 31023121021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12012132013 - 2²⁵ = 11978577581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012132073) 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, 858009423 + ... + 858009436.

It is an arithmetic number, because the mean of its divisors is an integer number (3432037720).

Almost surely, 2^12012132013 is an apocalyptic number.

It is an amenable number.

12012132013 is a deficient number, since it is larger than the sum of its proper divisors (1716018867).

12012132013 is an equidigital number, since it uses as much as digits as its factorization.

12012132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716018866.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12012132013 its reverse (31023121021), we get a palindrome (43035253034).

The spelling of 12012132013 in words is "twelve billion, twelve million, one hundred thirty-two thousand, thirteen".