212044121442 has 48 divisors (see below), whose sum is σ = 484341549120. Its totient is φ = 66859927200.

The previous prime is 212044121417. The next prime is 212044121459. The reversal of 212044121442 is 244121440212.

212044121442 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 441 + 214 + 4 + 2 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 242934 + ... + 695057.

It is an arithmetic number, because the mean of its divisors is an integer number (10090448940).

Almost surely, 2^212044121442 is an apocalyptic number.

212044121442 is an abundant number, since it is smaller than the sum of its proper divisors (272297427678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212044121442 is a wasteful number, since it uses less digits than its factorization.

212044121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938679 (or 938676 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 212044121442 its reverse (244121440212), we get a palindrome (456165561654).

The spelling of 212044121442 in words is "two hundred twelve billion, forty-four million, one hundred twenty-one thousand, four hundred forty-two".