212144414412242 has 16 divisors (see below), whose sum is σ = 342702448572120. Its totient is φ = 97910627997312.

The previous prime is 212144414412241. The next prime is 212144414412299. The reversal of 212144414412242 is 242214414441212.

212144414412242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 188254617389281 + 23889797022961 = 13720591^2 + 4887719^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212144414412196 and 212144414412205.

It is not an unprimeable number, because it can be changed into a prime (212144414412241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89586017 + ... + 91923572.

Almost surely, 2^{212144414412242} is an apocalyptic number.

212144414412242 is a deficient number, since it is larger than the sum of its proper divisors (130558034159878).

212144414412242 is a wasteful number, since it uses less digits than its factorization.

212144414412242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181554557.

The product of its digits is 131072, while the sum is 38.

Adding to 212144414412242 its reverse (242214414441212), we get a palindrome (454358828853454).

The spelling of 212144414412242 in words is "two hundred twelve trillion, one hundred forty-four billion, four hundred fourteen million, four hundred twelve thousand, two hundred forty-two".