12003032213 has 4 divisors (see below), whose sum is σ = 12014789388. Its totient is φ = 11991275040.

The previous prime is 12003032207. The next prime is 12003032219. The reversal of 12003032213 is 31223030021.

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

It is an interprime number because it is at equal distance from previous prime (12003032207) and next prime (12003032219).

It can be written as a sum of positive squares in 2 ways, for example, as 9757883524 + 2245148689 = 98782^2 + 47383^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003032213 - 2²² = 11998837909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003032191 and 12003032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003032219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5877056 + ... + 5879097.

It is an arithmetic number, because the mean of its divisors is an integer number (3003697347).

Almost surely, 2^12003032213 is an apocalyptic number.

It is an amenable number.

12003032213 is a deficient number, since it is larger than the sum of its proper divisors (11757175).

12003032213 is a wasteful number, since it uses less digits than its factorization.

12003032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11757174.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12003032213 its reverse (31223030021), we get a palindrome (43226062234).

The spelling of 12003032213 in words is "twelve billion, three million, thirty-two thousand, two hundred thirteen".