242040212 has 6 divisors (see below), whose sum is σ = 423570378. Its totient is φ = 121020104.

The previous prime is 242040209. The next prime is 242040223. The reversal of 242040212 is 212040242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 241989136 + 51076 = 15556^2 + 226^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255023 + ... + 30255030.

It is an arithmetic number, because the mean of its divisors is an integer number (70595063).

Almost surely, 2^242040212 is an apocalyptic number.

It is an amenable number.

242040212 is a deficient number, since it is larger than the sum of its proper divisors (181530166).

242040212 is a wasteful number, since it uses less digits than its factorization.

242040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60510057 (or 60510055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 242040212 is about 15557.6415950490. The cubic root of 242040212 is about 623.2024828206.

Adding to 242040212 its reverse (212040242), we get a palindrome (454080454).

The spelling of 242040212 in words is "two hundred forty-two million, forty thousand, two hundred twelve".