2122012210 has 8 divisors (see below), whose sum is σ = 3819621996. Its totient is φ = 848804880.

The previous prime is 2122012181. The next prime is 2122012213. The reversal of 2122012210 is 122102212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2078174569 + 43837641 = 45587^2 + 6621^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2122012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106100601 + ... + 106100620.

Almost surely, 2^2122012210 is an apocalyptic number.

2122012210 is a deficient number, since it is larger than the sum of its proper divisors (1697609786).

2122012210 is a wasteful number, since it uses less digits than its factorization.

2122012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212201228.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2122012210 is about 46065.3037545613. The cubic root of 2122012210 is about 1285.0379676589.

Adding to 2122012210 its reverse (122102212), we get a palindrome (2244114422).

The spelling of 2122012210 in words is "two billion, one hundred twenty-two million, twelve thousand, two hundred ten".