2012144443 has 8 divisors (see below), whose sum is σ = 2100198816. Its totient is φ = 1924137600.

The previous prime is 2012144399. The next prime is 2012144447. The reversal of 2012144443 is 3444412102.

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-2012144443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012144447) 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, 95313 + ... + 114493.

It is an arithmetic number, because the mean of its divisors is an integer number (262524852).

Almost surely, 2^2012144443 is an apocalyptic number.

2012144443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2012144443 is a deficient number, since it is larger than the sum of its proper divisors (88054373).

2012144443 is a wasteful number, since it uses less digits than its factorization.

2012144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23765.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2012144443 is about 44856.9330538770. The cubic root of 2012144443 is about 1262.4660787279.

Adding to 2012144443 its reverse (3444412102), we get a palindrome (5456556545).

The spelling of 2012144443 in words is "two billion, twelve million, one hundred forty-four thousand, four hundred forty-three".