12124412135 has 32 divisors (see below), whose sum is σ = 16001390592. Its totient is φ = 8746058880.

The previous prime is 12124412123. The next prime is 12124412137. The reversal of 12124412135 is 53121442121.

It is a happy number.

It is not a de Polignac number, because 12124412135 - 2⁶ = 12124412071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124412137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7451192 + ... + 7452818.

It is an arithmetic number, because the mean of its divisors is an integer number (500043456).

Almost surely, 2^12124412135 is an apocalyptic number.

12124412135 is a deficient number, since it is larger than the sum of its proper divisors (3876978457).

12124412135 is a wasteful number, since it uses less digits than its factorization.

12124412135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663.

The product of its digits is 1920, while the sum is 26.

Adding to 12124412135 its reverse (53121442121), we get a palindrome (65245854256).

The spelling of 12124412135 in words is "twelve billion, one hundred twenty-four million, four hundred twelve thousand, one hundred thirty-five".