212442010042 has 8 divisors (see below), whose sum is σ = 337407898356. Its totient is φ = 99972710592.

The previous prime is 212442010031. The next prime is 212442010057. The reversal of 212442010042 is 240010244212.

It can be written as a sum of positive squares in 2 ways, for example, as 203889274681 + 8552735361 = 451541^2 + 92481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212442009995 and 212442010022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3124147173 + ... + 3124147240.

Almost surely, 2^212442010042 is an apocalyptic number.

212442010042 is a deficient number, since it is larger than the sum of its proper divisors (124965888314).

212442010042 is a wasteful number, since it uses less digits than its factorization.

212442010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248294432.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 212442010042 its reverse (240010244212), we get a palindrome (452452254254).

The spelling of 212442010042 in words is "two hundred twelve billion, four hundred forty-two million, ten thousand, forty-two".