242122012 has 24 divisors (see below), whose sum is σ = 482332032. Its totient is φ = 105270000.

The previous prime is 242122009. The next prime is 242122019. The reversal of 242122012 is 210221242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242122019) 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, 118614 + ... + 120637.

It is an arithmetic number, because the mean of its divisors is an integer number (20097168).

Almost surely, 2^242122012 is an apocalyptic number.

242122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

242122012 is a deficient number, since it is larger than the sum of its proper divisors (240210020).

242122012 is a wasteful number, since it uses less digits than its factorization.

242122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239289 (or 239287 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 242122012 is about 15560.2703061354. The cubic root of 242122012 is about 623.2726808274.

Adding to 242122012 its reverse (210221242), we get a palindrome (452343254).

The spelling of 242122012 in words is "two hundred forty-two million, one hundred twenty-two thousand, twelve".