2122123210 has 16 divisors (see below), whose sum is σ = 3884565600. Its totient is φ = 834461776.

The previous prime is 2122123207. The next prime is 2122123217. The reversal of 2122123210 is 123212212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2122123217) 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 7 ways as a sum of consecutive naturals, for example, 1797820 + ... + 1798999.

It is an arithmetic number, because the mean of its divisors is an integer number (242785350).

Almost surely, 2^2122123210 is an apocalyptic number.

2122123210 is a deficient number, since it is larger than the sum of its proper divisors (1762442390).

2122123210 is a wasteful number, since it uses less digits than its factorization.

2122123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596885.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2122123210 is about 46066.5085501387. The cubic root of 2122123210 is about 1285.0603735506.

Adding to 2122123210 its reverse (123212212), we get a palindrome (2245335422).

The spelling of 2122123210 in words is "two billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred ten".