212011313242 has 8 divisors (see below), whose sum is σ = 318154706100. Its totient is φ = 105959744544.

The previous prime is 212011313237. The next prime is 212011313273. The reversal of 212011313242 is 242313110212.

It can be written as a sum of positive squares in 2 ways, for example, as 210047139481 + 1964173761 = 458309^2 + 44319^2 .

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

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, 22950267 + ... + 22959502.

Almost surely, 2^212011313242 is an apocalyptic number.

212011313242 is a deficient number, since it is larger than the sum of its proper divisors (106143392858).

212011313242 is a wasteful number, since it uses less digits than its factorization.

212011313242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45912080.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212011313242 its reverse (242313110212), we get a palindrome (454324423454).

The spelling of 212011313242 in words is "two hundred twelve billion, eleven million, three hundred thirteen thousand, two hundred forty-two".