12401322263 has 8 divisors (see below), whose sum is σ = 13534855056. Its totient is φ = 11268812800.

The previous prime is 12401322259. The next prime is 12401322359. The reversal of 12401322263 is 36222310421.

12401322263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12401322263 - 2² = 12401322259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401322203) 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 7 ways as a sum of consecutive naturals, for example, 230378 + ... + 279063.

It is an arithmetic number, because the mean of its divisors is an integer number (1691856882).

Almost surely, 2^12401322263 is an apocalyptic number.

12401322263 is a deficient number, since it is larger than the sum of its proper divisors (1133532793).

12401322263 is a wasteful number, since it uses less digits than its factorization.

12401322263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511665.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12401322263 its reverse (36222310421), we get a palindrome (48623632684).

The spelling of 12401322263 in words is "twelve billion, four hundred one million, three hundred twenty-two thousand, two hundred sixty-three".