12050421142 has 16 divisors (see below), whose sum is σ = 18864248832. Its totient is φ = 5762413800.

The previous prime is 12050421137. The next prime is 12050421143. The reversal of 12050421142 is 24112405021.

12050421142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050421143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406633 + ... + 435259.

It is an arithmetic number, because the mean of its divisors is an integer number (1179015552).

Almost surely, 2^12050421142 is an apocalyptic number.

12050421142 is a deficient number, since it is larger than the sum of its proper divisors (6813827690).

12050421142 is a wasteful number, since it uses less digits than its factorization.

12050421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37803.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 12050421142 its reverse (24112405021), we get a palindrome (36162826163).

The spelling of 12050421142 in words is "twelve billion, fifty million, four hundred twenty-one thousand, one hundred forty-two".