12120302233 has 8 divisors (see below), whose sum is σ = 13053525128. Its totient is φ = 11187206784.

The previous prime is 12120302177. The next prime is 12120302251. The reversal of 12120302233 is 33220302121.

It can be written as a sum of positive squares in 4 ways, for example, as 1180815769 + 10939486464 = 34363^2 + 104592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12120302233 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 12120302233.

It is not an unprimeable number, because it can be changed into a prime (12120302273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275635 + ... + 316567.

It is an arithmetic number, because the mean of its divisors is an integer number (1631690641).

Almost surely, 2^12120302233 is an apocalyptic number.

12120302233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12120302233 is a deficient number, since it is larger than the sum of its proper divisors (933222895).

12120302233 is a wasteful number, since it uses less digits than its factorization.

12120302233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63723.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12120302233 its reverse (33220302121), we get a palindrome (45340604354).

The spelling of 12120302233 in words is "twelve billion, one hundred twenty million, three hundred two thousand, two hundred thirty-three".