2012323213 has 4 divisors (see below), whose sum is σ = 2031130080. Its totient is φ = 1993516348.

The previous prime is 2012323211. The next prime is 2012323217. The reversal of 2012323213 is 3123232102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123232102 = 2 ⋅1561616051.

It is a cyclic number.

It is not a de Polignac number, because 2012323213 - 2¹ = 2012323211 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 (2012323211) 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, 9403273 + ... + 9403486.

It is an arithmetic number, because the mean of its divisors is an integer number (507782520).

Almost surely, 2^2012323213 is an apocalyptic number.

It is an amenable number.

2012323213 is a deficient number, since it is larger than the sum of its proper divisors (18806867).

2012323213 is a wasteful number, since it uses less digits than its factorization.

2012323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18806866.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2012323213 is about 44858.9256781747. The cubic root of 2012323213 is about 1262.5034657684.

Adding to 2012323213 its reverse (3123232102), we get a palindrome (5135555315).

The spelling of 2012323213 in words is "two billion, twelve million, three hundred twenty-three thousand, two hundred thirteen".