242212142 has 8 divisors (see below), whose sum is σ = 363403800. Its totient is φ = 121077544.

The previous prime is 242212129. The next prime is 242212153. The reversal of 242212142 is 241212242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292 + ... + 22047.

It is an arithmetic number, because the mean of its divisors is an integer number (45425475).

Almost surely, 2^242212142 is an apocalyptic number.

242212142 is a deficient number, since it is larger than the sum of its proper divisors (121191658).

242212142 is a wasteful number, since it uses less digits than its factorization.

242212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28530.

The product of its digits is 512, while the sum is 20.

The square root of 242212142 is about 15563.1661945762. The cubic root of 242212142 is about 623.3500090544.

Adding to 242212142 its reverse (241212242), we get a palindrome (483424384).

The spelling of 242212142 in words is "two hundred forty-two million, two hundred twelve thousand, one hundred forty-two".