12013122303 has 96 divisors (see below), whose sum is σ = 21961884672. Its totient is φ = 6158246400.

The previous prime is 12013122299. The next prime is 12013122349. The reversal of 12013122303 is 30322131021.

12013122303 is a `hidden beast` number, since 120 + 1 + 312 + 230 + 3 = 666.

It is not a de Polignac number, because 12013122303 - 2² = 12013122299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013122353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11651398 + ... + 11652428.

It is an arithmetic number, because the mean of its divisors is an integer number (228769632).

Almost surely, 2^12013122303 is an apocalyptic number.

12013122303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12013122303 is a deficient number, since it is larger than the sum of its proper divisors (9948762369).

12013122303 is a wasteful number, since it uses less digits than its factorization.

12013122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12013122303 its reverse (30322131021), we get a palindrome (42335253324).

The spelling of 12013122303 in words is "twelve billion, thirteen million, one hundred twenty-two thousand, three hundred three".