212322224534 has 16 divisors (see below), whose sum is σ = 364199866368. Its totient is φ = 90940511592.

The previous prime is 212322224441. The next prime is 212322224581. The reversal of 212322224534 is 435422223212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212322224534.

It is a congruent number.

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, 4536512 + ... + 4583075.

It is an arithmetic number, because the mean of its divisors is an integer number (22762491648).

Almost surely, 2^212322224534 is an apocalyptic number.

212322224534 is a deficient number, since it is larger than the sum of its proper divisors (151877641834).

212322224534 is a wasteful number, since it uses less digits than its factorization.

212322224534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9121259.

The product of its digits is 46080, while the sum is 32.

Adding to 212322224534 its reverse (435422223212), we get a palindrome (647744447746).

The spelling of 212322224534 in words is "two hundred twelve billion, three hundred twenty-two million, two hundred twenty-four thousand, five hundred thirty-four".