12001332213 has 24 divisors (see below), whose sum is σ = 18811272480. Its totient is φ = 7329048480.

The previous prime is 12001332209. The next prime is 12001332221. The reversal of 12001332213 is 31223310021.

12001332213 is a `hidden beast` number, since 120 + 0 + 1 + 332 + 213 = 666.

It is not a de Polignac number, because 12001332213 - 2² = 12001332209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001332253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376183 + ... + 406836.

It is an arithmetic number, because the mean of its divisors is an integer number (783803020).

Almost surely, 2^12001332213 is an apocalyptic number.

12001332213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12001332213 is a deficient number, since it is larger than the sum of its proper divisors (6809940267).

12001332213 is a wasteful number, since it uses less digits than its factorization.

12001332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783169 (or 783166 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12001332213 its reverse (31223310021), we get a palindrome (43224642234).

The spelling of 12001332213 in words is "twelve billion, one million, three hundred thirty-two thousand, two hundred thirteen".