124434231211 has 4 divisors (see below), whose sum is σ = 128725066800. Its totient is φ = 120143395624.

The previous prime is 124434231139. The next prime is 124434231239. The reversal of 124434231211 is 112132434421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124434231211 - 2¹³ = 124434223019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124434231211.

It is not an unprimeable number, because it can be changed into a prime (124434237211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145417751 + ... + 2145417808.

It is an arithmetic number, because the mean of its divisors is an integer number (32181266700).

Almost surely, 2^124434231211 is an apocalyptic number.

124434231211 is a deficient number, since it is larger than the sum of its proper divisors (4290835589).

124434231211 is an equidigital number, since it uses as much as digits as its factorization.

124434231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290835588.

The product of its digits is 4608, while the sum is 28.

Adding to 124434231211 its reverse (112132434421), we get a palindrome (236566665632).

The spelling of 124434231211 in words is "one hundred twenty-four billion, four hundred thirty-four million, two hundred thirty-one thousand, two hundred eleven".