212240022234 has 16 divisors (see below), whose sum is σ = 446821099680. Its totient is φ = 67023164880.

The previous prime is 212240022121. The next prime is 212240022251. The reversal of 212240022234 is 432220042212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930877177 + ... + 930877404.

It is an arithmetic number, because the mean of its divisors is an integer number (27926318730).

Almost surely, 2^212240022234 is an apocalyptic number.

212240022234 is an abundant number, since it is smaller than the sum of its proper divisors (234581077446).

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

212240022234 is a wasteful number, since it uses less digits than its factorization.

212240022234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861754605.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 212240022234 its reverse (432220042212), we get a palindrome (644460064446).

The spelling of 212240022234 in words is "two hundred twelve billion, two hundred forty million, twenty-two thousand, two hundred thirty-four".