12101332213 has 4 divisors (see below), whose sum is σ = 12102121548. Its totient is φ = 12100542880.

The previous prime is 12101332169. The next prime is 12101332249. The reversal of 12101332213 is 31223310121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31223310121 = 73 ⋅427716577.

It can be written as a sum of positive squares in 2 ways, for example, as 11998573444 + 102758769 = 109538^2 + 10137^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101332213 - 2⁹ = 12101331701 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 (12101332253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371206 + ... + 402487.

It is an arithmetic number, because the mean of its divisors is an integer number (3025530387).

Almost surely, 2^12101332213 is an apocalyptic number.

It is an amenable number.

12101332213 is a deficient number, since it is larger than the sum of its proper divisors (789335).

12101332213 is an equidigital number, since it uses as much as digits as its factorization.

12101332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789334.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12101332213 its reverse (31223310121), we get a palindrome (43324642334).

The spelling of 12101332213 in words is "twelve billion, one hundred one million, three hundred thirty-two thousand, two hundred thirteen".