142113212 has 12 divisors (see below), whose sum is σ = 248995656. Its totient is φ = 70971600.

The previous prime is 142113203. The next prime is 142113247. The reversal of 142113212 is 212311241.

It is a congruent number.

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, 17414 + ... + 24237.

It is an arithmetic number, because the mean of its divisors is an integer number (20749638).

Almost surely, 2^142113212 is an apocalyptic number.

It is an amenable number.

142113212 is a deficient number, since it is larger than the sum of its proper divisors (106882444).

142113212 is a wasteful number, since it uses less digits than its factorization.

142113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42508 (or 42506 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 142113212 is about 11921.1246113779. The cubic root of 142113212 is about 521.8489553833.

Adding to 142113212 its reverse (212311241), we get a palindrome (354424453).

The spelling of 142113212 in words is "one hundred forty-two million, one hundred thirteen thousand, two hundred twelve".