12403133331 has 16 divisors (see below), whose sum is σ = 16793280000. Its totient is φ = 8141002848.

The previous prime is 12403133321. The next prime is 12403133359. The reversal of 12403133331 is 13333130421.

It is a happy number.

12403133331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12403133331 - 2¹¹ = 12403131283 is a prime.

It is a super-2 number, since 2×12403133331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12403133321) 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 15 ways as a sum of consecutive naturals, for example, 386365 + ... + 417233.

It is an arithmetic number, because the mean of its divisors is an integer number (1049580000).

Almost surely, 2^12403133331 is an apocalyptic number.

12403133331 is a deficient number, since it is larger than the sum of its proper divisors (4390146669).

12403133331 is a wasteful number, since it uses less digits than its factorization.

12403133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32938.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12403133331 its reverse (13333130421), we get a palindrome (25736263752).

The spelling of 12403133331 in words is "twelve billion, four hundred three million, one hundred thirty-three thousand, three hundred thirty-one".