12020303233 has 4 divisors (see below), whose sum is σ = 12020926788. Its totient is φ = 12019679680.

The previous prime is 12020303221. The next prime is 12020303249. The reversal of 12020303233 is 33230302021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2355840369 + 9664462864 = 48537^2 + 98308^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020303233 - 2¹⁷ = 12020172161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020303233.

It is not an unprimeable number, because it can be changed into a prime (12020300233) 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, 281908 + ... + 321733.

It is an arithmetic number, because the mean of its divisors is an integer number (3005231697).

Almost surely, 2^12020303233 is an apocalyptic number.

It is an amenable number.

12020303233 is a deficient number, since it is larger than the sum of its proper divisors (623555).

12020303233 is an equidigital number, since it uses as much as digits as its factorization.

12020303233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623554.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 12020303233 its reverse (33230302021), we get a palindrome (45250605254).

The spelling of 12020303233 in words is "twelve billion, twenty million, three hundred three thousand, two hundred thirty-three".