212333204242 has 16 divisors (see below), whose sum is σ = 326954751552. Its totient is φ = 103364165520.

The previous prime is 212333204221. The next prime is 212333204267. The reversal of 212333204242 is 242402333212.

It is a self number, because there is not a number n which added to its sum of digits gives 212333204242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942693 + ... + 3996184.

It is an arithmetic number, because the mean of its divisors is an integer number (20434671972).

Almost surely, 2^212333204242 is an apocalyptic number.

212333204242 is a deficient number, since it is larger than the sum of its proper divisors (114621547310).

212333204242 is a wasteful number, since it uses less digits than its factorization.

212333204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939233.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 212333204242 its reverse (242402333212), we get a palindrome (454735537454).

The spelling of 212333204242 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred four thousand, two hundred forty-two".