12016213 has 8 divisors (see below), whose sum is σ = 13356576. Its totient is φ = 10717200.

The previous prime is 12016201. The next prime is 12016219. The reversal of 12016213 is 31261021.

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 12016213 - 2⁹ = 12015701 is a prime.

It is a super-2 number, since 2×12016213² = 288778749722738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016219) 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, 9723 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (1669572).

Almost surely, 2^12016213 is an apocalyptic number.

It is an amenable number.

12016213 is a deficient number, since it is larger than the sum of its proper divisors (1340363).

12016213 is a wasteful number, since it uses less digits than its factorization.

12016213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20675.

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

The square root of 12016213 is about 3466.4409702171. The cubic root of 12016213 is about 229.0459090658.

Adding to 12016213 its reverse (31261021), we get a palindrome (43277234).

The spelling of 12016213 in words is "twelve million, sixteen thousand, two hundred thirteen".