12142241242 has 16 divisors (see below), whose sum is σ = 18285684480. Its totient is φ = 6047054928.

The previous prime is 12142241233. The next prime is 12142241249. The reversal of 12142241242 is 24214224121.

It is not an unprimeable number, because it can be changed into a prime (12142241249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605968 + ... + 625684.

It is an arithmetic number, because the mean of its divisors is an integer number (1142855280).

Almost surely, 2^12142241242 is an apocalyptic number.

12142241242 is a deficient number, since it is larger than the sum of its proper divisors (6143443238).

12142241242 is a wasteful number, since it uses less digits than its factorization.

12142241242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20925.

The product of its digits is 2048, while the sum is 25.

Adding to 12142241242 its reverse (24214224121), we get a palindrome (36356465363).

The spelling of 12142241242 in words is "twelve billion, one hundred forty-two million, two hundred forty-one thousand, two hundred forty-two".