212022223210 has 32 divisors (see below), whose sum is σ = 437144625792. Its totient is φ = 72529229760.

The previous prime is 212022223207. The next prime is 212022223229. The reversal of 212022223210 is 12322220212.

It is a super-2 number, since 2×212022223210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3387601 + ... + 3449620.

It is an arithmetic number, because the mean of its divisors is an integer number (13660769556).

Almost surely, 2^212022223210 is an apocalyptic number.

212022223210 is an abundant number, since it is smaller than the sum of its proper divisors (225122402582).

212022223210 is a wasteful number, since it uses less digits than its factorization.

212022223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837678.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212022223210 its reverse (12322220212), we get a palindrome (224344443422).

The spelling of 212022223210 in words is "two hundred twelve billion, twenty-two million, two hundred twenty-three thousand, two hundred ten".