12240253435 has 32 divisors (see below), whose sum is σ = 15995289600. Its totient is φ = 8957796480.

The previous prime is 12240253423. The next prime is 12240253463. The reversal of 12240253435 is 53435204221.

It is not a de Polignac number, because 12240253435 - 2⁷ = 12240253307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 12240253397 and 12240253406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406317 + ... + 1414993.

It is an arithmetic number, because the mean of its divisors is an integer number (499852800).

Almost surely, 2^12240253435 is an apocalyptic number.

12240253435 is a deficient number, since it is larger than the sum of its proper divisors (3755036165).

12240253435 is a wasteful number, since it uses less digits than its factorization.

12240253435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 12240253435 its reverse (53435204221), we get a palindrome (65675457656).

The spelling of 12240253435 in words is "twelve billion, two hundred forty million, two hundred fifty-three thousand, four hundred thirty-five".