12026320403 has 8 divisors (see below), whose sum is σ = 12052635840. Its totient is φ = 12000025960.

The previous prime is 12026320399. The next prime is 12026320417. The reversal of 12026320403 is 30402362021.

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

It is a cyclic number.

It is not a de Polignac number, because 12026320403 - 2² = 12026320399 is a prime.

It is a super-2 number, since 2×12026320403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12026320483) 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, 1721708 + ... + 1728678.

It is an arithmetic number, because the mean of its divisors is an integer number (1506579480).

Almost surely, 2^12026320403 is an apocalyptic number.

12026320403 is a deficient number, since it is larger than the sum of its proper divisors (26315437).

12026320403 is an equidigital number, since it uses as much as digits as its factorization.

12026320403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12026320403 its reverse (30402362021), we get a palindrome (42428682424).

The spelling of 12026320403 in words is "twelve billion, twenty-six million, three hundred twenty thousand, four hundred three".