12020303033 has 32 divisors (see below), whose sum is σ = 13625542656. Its totient is φ = 10541760768.

The previous prime is 12020303023. The next prime is 12020303077. The reversal of 12020303033 is 33030302021.

It is a cyclic number.

It is not a de Polignac number, because 12020303033 - 2⁴ = 12020303017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12020303023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8792516 + ... + 8793882.

It is an arithmetic number, because the mean of its divisors is an integer number (425798208).

Almost surely, 2^12020303033 is an apocalyptic number.

It is an amenable number.

12020303033 is a deficient number, since it is larger than the sum of its proper divisors (1605239623).

12020303033 is a wasteful number, since it uses less digits than its factorization.

12020303033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 12020303033 its reverse (33030302021), we get a palindrome (45050605054).

The spelling of 12020303033 in words is "twelve billion, twenty million, three hundred three thousand, thirty-three".