12122017433 has 6 divisors (see below), whose sum is σ = 12877022286. Its totient is φ = 11408957312.

The previous prime is 12122017403. The next prime is 12122017471. The reversal of 12122017433 is 33471022121.

12122017433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3534659209 + 8587358224 = 59453^2 + 92668^2 .

It is not a de Polignac number, because 12122017433 - 2¹⁰ = 12122016409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122017403) 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 5 ways as a sum of consecutive naturals, for example, 20972060 + ... + 20972637.

It is an arithmetic number, because the mean of its divisors is an integer number (2146170381).

Almost surely, 2^12122017433 is an apocalyptic number.

It is an amenable number.

12122017433 is a deficient number, since it is larger than the sum of its proper divisors (755004853).

12122017433 is an equidigital number, since it uses as much as digits as its factorization.

12122017433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41944731 (or 41944714 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 12122017433 its reverse (33471022121), we get a palindrome (45593039554).

The spelling of 12122017433 in words is "twelve billion, one hundred twenty-two million, seventeen thousand, four hundred thirty-three".