12124231442 has 8 divisors (see below), whose sum is σ = 18629916732. Its totient is φ = 5914259200.

The previous prime is 12124231423. The next prime is 12124231459. The reversal of 12124231442 is 24413242121.

12124231442 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10968163441 + 1156068001 = 104729^2 + 34001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73928159 + ... + 73928322.

Almost surely, 2^12124231442 is an apocalyptic number.

12124231442 is a deficient number, since it is larger than the sum of its proper divisors (6505685290).

12124231442 is a wasteful number, since it uses less digits than its factorization.

12124231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147856524.

The product of its digits is 3072, while the sum is 26.

Adding to 12124231442 its reverse (24413242121), we get a palindrome (36537473563).

The spelling of 12124231442 in words is "twelve billion, one hundred twenty-four million, two hundred thirty-one thousand, four hundred forty-two".