220212212210 has 8 divisors (see below), whose sum is σ = 396381981996. Its totient is φ = 88084884880.

The previous prime is 220212212201. The next prime is 220212212257. The reversal of 220212212210 is 12212212022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 180435499729 + 39776712481 = 424777^2 + 199441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010610601 + ... + 11010610620.

Almost surely, 2^220212212210 is an apocalyptic number.

220212212210 is a deficient number, since it is larger than the sum of its proper divisors (176169769786).

220212212210 is a wasteful number, since it uses less digits than its factorization.

220212212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22021221228.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220212212210 its reverse (12212212022), we get a palindrome (232424424232).

The spelling of 220212212210 in words is "two hundred twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".