12001222213 has 8 divisors (see below), whose sum is σ = 12281800608. Its totient is φ = 11720711184.

The previous prime is 12001222193. The next prime is 12001222223. The reversal of 12001222213 is 31222210021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12001222213 - 2¹³ = 12001214021 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 (12001222223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629895 + ... + 648667.

It is an arithmetic number, because the mean of its divisors is an integer number (1535225076).

Almost surely, 2^12001222213 is an apocalyptic number.

It is an amenable number.

12001222213 is a deficient number, since it is larger than the sum of its proper divisors (280578395).

12001222213 is a wasteful number, since it uses less digits than its factorization.

12001222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33683.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12001222213 its reverse (31222210021), we get a palindrome (43223432234).

The spelling of 12001222213 in words is "twelve billion, one million, two hundred twenty-two thousand, two hundred thirteen".