2012213443 has 8 divisors (see below), whose sum is σ = 2105192448. Its totient is φ = 1919692104.

The previous prime is 2012213429. The next prime is 2012213447. The reversal of 2012213443 is 3443122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012213443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012213447) 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, 105405 + ... + 123022.

It is an arithmetic number, because the mean of its divisors is an integer number (263149056).

Almost surely, 2^2012213443 is an apocalyptic number.

2012213443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2012213443 is a deficient number, since it is larger than the sum of its proper divisors (92979005).

2012213443 is a wasteful number, since it uses less digits than its factorization.

2012213443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228833.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2012213443 is about 44857.7021591610. The cubic root of 2012213443 is about 1262.4805092962.

Adding to 2012213443 its reverse (3443122102), we get a palindrome (5455335545).

The spelling of 2012213443 in words is "two billion, twelve million, two hundred thirteen thousand, four hundred forty-three".