22012001210 has 8 divisors (see below), whose sum is σ = 39621602196. Its totient is φ = 8804800480.

The previous prime is 22012001203. The next prime is 22012001227. The reversal of 22012001210 is 1210021022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20152925521 + 1859075689 = 141961^2 + 43117^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22012001191 and 22012001200.

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, 1100600051 + ... + 1100600070.

Almost surely, 2^22012001210 is an apocalyptic number.

22012001210 is a deficient number, since it is larger than the sum of its proper divisors (17609600986).

22012001210 is a wasteful number, since it uses less digits than its factorization.

22012001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201200128.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22012001210 its reverse (1210021022), we get a palindrome (23222022232).

The spelling of 22012001210 in words is "twenty-two billion, twelve million, one thousand, two hundred ten".