2012321213 has 8 divisors (see below), whose sum is σ = 2304724032. Its totient is φ = 1721150496.

The previous prime is 2012321203. The next prime is 2012321219. The reversal of 2012321213 is 3121232102.

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 2012321213 - 2²² = 2008126909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012321191 and 2012321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012321219) 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, 304520 + ... + 311057.

It is an arithmetic number, because the mean of its divisors is an integer number (288090504).

Almost surely, 2^2012321213 is an apocalyptic number.

It is an amenable number.

2012321213 is a deficient number, since it is larger than the sum of its proper divisors (292402819).

2012321213 is an equidigital number, since it uses as much as digits as its factorization.

2012321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616051.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2012321213 is about 44858.9033860615. The cubic root of 2012321213 is about 1262.5030475109.

Adding to 2012321213 its reverse (3121232102), we get a palindrome (5133553315).

The spelling of 2012321213 in words is "two billion, twelve million, three hundred twenty-one thousand, two hundred thirteen".