12010213 has 4 divisors (see below), whose sum is σ = 12129228. Its totient is φ = 11891200.

The previous prime is 12010199. The next prime is 12010241. The reversal of 12010213 is 31201021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6066369 + 5943844 = 2463^2 + 2438^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010213 - 2⁵ = 12010181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12010213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59356 + ... + 59557.

It is an arithmetic number, because the mean of its divisors is an integer number (3032307).

Almost surely, 2^12010213 is an apocalyptic number.

It is an amenable number.

12010213 is a deficient number, since it is larger than the sum of its proper divisors (119015).

12010213 is a wasteful number, since it uses less digits than its factorization.

12010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119014.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12010213 is about 3465.5754211963. The cubic root of 12010213 is about 229.0077799077.

Adding to 12010213 its reverse (31201021), we get a palindrome (43211234).

It can be divided in two parts, 1201021 and 3, that multiplied together give a palindrome (3603063).

The spelling of 12010213 in words is "twelve million, ten thousand, two hundred thirteen".