2012220443 has 8 divisors (see below), whose sum is σ = 2041491456. Its totient is φ = 1982975400.

The previous prime is 2012220439. The next prime is 2012220451. The reversal of 2012220443 is 3440222102.

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 2012220443 - 2² = 2012220439 is a prime.

It is a super-2 number, since 2×2012220443² = 8098062222454232498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012220473) 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, 193958 + ... + 204068.

It is an arithmetic number, because the mean of its divisors is an integer number (255186432).

Almost surely, 2^2012220443 is an apocalyptic number.

2012220443 is a deficient number, since it is larger than the sum of its proper divisors (29271013).

2012220443 is a wasteful number, since it uses less digits than its factorization.

2012220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2012220443 is about 44857.7801835980. The cubic root of 2012220443 is about 1262.4819732485.

Adding to 2012220443 its reverse (3440222102), we get a palindrome (5452442545).

The spelling of 2012220443 in words is "two billion, twelve million, two hundred twenty thousand, four hundred forty-three".