2012144233 has 4 divisors (see below), whose sum is σ = 2195066448. Its totient is φ = 1829222020.

The previous prime is 2012144227. The next prime is 2012144257. The reversal of 2012144233 is 3324412102.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012144233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012144263) 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, 91461091 + ... + 91461112.

It is an arithmetic number, because the mean of its divisors is an integer number (548766612).

Almost surely, 2^2012144233 is an apocalyptic number.

It is an amenable number.

2012144233 is a deficient number, since it is larger than the sum of its proper divisors (182922215).

2012144233 is a wasteful number, since it uses less digits than its factorization.

2012144233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182922214.

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

The square root of 2012144233 is about 44856.9307131016. The cubic root of 2012144233 is about 1262.4660348082.

Adding to 2012144233 its reverse (3324412102), we get a palindrome (5336556335).

The spelling of 2012144233 in words is "two billion, twelve million, one hundred forty-four thousand, two hundred thirty-three".