242123012 has 6 divisors (see below), whose sum is σ = 423715278. Its totient is φ = 121061504.

The previous prime is 242123009. The next prime is 242123017. The reversal of 242123012 is 210321242.

It can be written as a sum of positive squares in only one way, i.e., 201469636 + 40653376 = 14194^2 + 6376^2 .

It is a super-3 number, since 3×242123012³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (242123017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30265373 + ... + 30265380.

It is an arithmetic number, because the mean of its divisors is an integer number (70619213).

Almost surely, 2^242123012 is an apocalyptic number.

It is an amenable number.

242123012 is a deficient number, since it is larger than the sum of its proper divisors (181592266).

242123012 is a wasteful number, since it uses less digits than its factorization.

242123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60530757 (or 60530755 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 242123012 is about 15560.3024392201. The cubic root of 242123012 is about 623.2735388959.

Adding to 242123012 its reverse (210321242), we get a palindrome (452444254).

It can be divided in two parts, 2421230 and 12, that added together give a palindrome (2421242).

The spelling of 242123012 in words is "two hundred forty-two million, one hundred twenty-three thousand, twelve".