12241042142 has 16 divisors (see below), whose sum is σ = 21328655712. Its totient is φ = 5160157920.

The previous prime is 12241042133. The next prime is 12241042153. The reversal of 12241042142 is 24124014221.

It is a super-2 number, since 2×12241042142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7166033 + ... + 7167740.

It is an arithmetic number, because the mean of its divisors is an integer number (1333040982).

Almost surely, 2^12241042142 is an apocalyptic number.

12241042142 is a deficient number, since it is larger than the sum of its proper divisors (9087613570).

12241042142 is a wasteful number, since it uses less digits than its factorization.

12241042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14333843.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12241042142 its reverse (24124014221), we get a palindrome (36365056363).

The spelling of 12241042142 in words is "twelve billion, two hundred forty-one million, forty-two thousand, one hundred forty-two".