120012033 has 4 divisors (see below), whose sum is σ = 160016048. Its totient is φ = 80008020.

The previous prime is 120012029. The next prime is 120012041. The reversal of 120012033 is 330210021.

It is a happy number.

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 not a de Polignac number, because 120012033 - 2² = 120012029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20002003 + ... + 20002008.

It is an arithmetic number, because the mean of its divisors is an integer number (40004012).

Almost surely, 2^120012033 is an apocalyptic number.

It is an amenable number.

120012033 is a deficient number, since it is larger than the sum of its proper divisors (40004015).

120012033 is an equidigital number, since it uses as much as digits as its factorization.

120012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004014.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 120012033 is about 10955.0003651301. Note that the first 3 decimals coincide. The cubic root of 120012033 is about 493.2589009428.

Adding to 120012033 its reverse (330210021), we get a palindrome (450222054).

The spelling of 120012033 in words is "one hundred twenty million, twelve thousand, thirty-three".