12400305535 has 16 divisors (see below), whose sum is σ = 14958259200. Its totient is φ = 9868430880.

The previous prime is 12400305503. The next prime is 12400305569. The reversal of 12400305535 is 53550300421.

It is not a de Polignac number, because 12400305535 - 2⁵ = 12400305503 is a prime.

It is a super-2 number, since 2×12400305535² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918766 + ... + 932164.

It is an arithmetic number, because the mean of its divisors is an integer number (934891200).

Almost surely, 2^12400305535 is an apocalyptic number.

12400305535 is a deficient number, since it is larger than the sum of its proper divisors (2557953665).

12400305535 is a wasteful number, since it uses less digits than its factorization.

12400305535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 12400305535 its reverse (53550300421), we get a palindrome (65950605956).

The spelling of 12400305535 in words is "twelve billion, four hundred million, three hundred five thousand, five hundred thirty-five".