2012120133 has 4 divisors (see below), whose sum is σ = 2682826848. Its totient is φ = 1341413420.

The previous prime is 2012120111. The next prime is 2012120147. The reversal of 2012120133 is 3310212102.

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 not a de Polignac number, because 2012120133 - 2⁸ = 2012119877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012120183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335353353 + ... + 335353358.

It is an arithmetic number, because the mean of its divisors is an integer number (670706712).

Almost surely, 2^2012120133 is an apocalyptic number.

It is an amenable number.

2012120133 is a deficient number, since it is larger than the sum of its proper divisors (670706715).

2012120133 is an equidigital number, since it uses as much as digits as its factorization.

2012120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670706714.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2012120133 is about 44856.6620804536. The cubic root of 2012120133 is about 1262.4609944882.

Adding to 2012120133 its reverse (3310212102), we get a palindrome (5322332235).

The spelling of 2012120133 in words is "two billion, twelve million, one hundred twenty thousand, one hundred thirty-three".