212211242832 has 20 divisors (see below), whose sum is σ = 548212377440. Its totient is φ = 70737080928.

The previous prime is 212211242809. The next prime is 212211242833. The reversal of 212211242832 is 238242112212.

It is a super-2 number, since 2×212211242832² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 212211242832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211242833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210533732 + ... + 2210533827.

It is an arithmetic number, because the mean of its divisors is an integer number (27410618872).

Almost surely, 2^212211242832 is an apocalyptic number.

It is an amenable number.

212211242832 is an abundant number, since it is smaller than the sum of its proper divisors (336001134608).

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

212211242832 is a wasteful number, since it uses less digits than its factorization.

212211242832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421067570 (or 4421067564 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The spelling of 212211242832 in words is "two hundred twelve billion, two hundred eleven million, two hundred forty-two thousand, eight hundred thirty-two".