12240424635 has 32 divisors (see below), whose sum is σ = 19888727040. Its totient is φ = 6426993408.

The previous prime is 12240424633. The next prime is 12240424709. The reversal of 12240424635 is 53642404221.

It is not a de Polignac number, because 12240424635 - 2¹ = 12240424633 is a prime.

It is a super-2 number, since 2×12240424635² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12240424596 and 12240424605.

It is not an unprimeable number, because it can be changed into a prime (12240424633) 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 31 ways as a sum of consecutive naturals, for example, 2740414 + ... + 2744876.

It is an arithmetic number, because the mean of its divisors is an integer number (621522720).

Almost surely, 2^12240424635 is an apocalyptic number.

12240424635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12240424635 is a deficient number, since it is larger than the sum of its proper divisors (7648302405).

12240424635 is a wasteful number, since it uses less digits than its factorization.

12240424635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 12240424635 its reverse (53642404221), we get a palindrome (65882828856).

The spelling of 12240424635 in words is "twelve billion, two hundred forty million, four hundred twenty-four thousand, six hundred thirty-five".