12132001213 has 2 divisors, whose sum is σ = 12132001214. Its totient is φ = 12132001212.

The previous prime is 12132001207. The next prime is 12132001237. The reversal of 12132001213 is 31210023121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10128812164 + 2003189049 = 100642^2 + 44757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12132001213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12132001243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066000606 + 6066000607.

It is an arithmetic number, because the mean of its divisors is an integer number (6066000607).

Almost surely, 2^12132001213 is an apocalyptic number.

It is an amenable number.

12132001213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132001213 is an equidigital number, since it uses as much as digits as its factorization.

12132001213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12132001213 its reverse (31210023121), we get a palindrome (43342024334).

The spelling of 12132001213 in words is "twelve billion, one hundred thirty-two million, one thousand, two hundred thirteen".