142241212 has 12 divisors (see below), whose sum is σ = 253141560. Its totient is φ = 69915056.

The previous prime is 142241207. The next prime is 142241213. The reversal of 142241212 is 212142241.

142241212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 142241212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142241213) 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, 301123 + ... + 301594.

It is an arithmetic number, because the mean of its divisors is an integer number (21095130).

Almost surely, 2^142241212 is an apocalyptic number.

It is an amenable number.

142241212 is a deficient number, since it is larger than the sum of its proper divisors (110900348).

142241212 is a wasteful number, since it uses less digits than its factorization.

142241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602780 (or 602778 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 142241212 is about 11926.4920240614. The cubic root of 142241212 is about 522.0055831427.

Adding to 142241212 its reverse (212142241), we get a palindrome (354383453).

The spelling of 142241212 in words is "one hundred forty-two million, two hundred forty-one thousand, two hundred twelve".