2101230212 has 12 divisors (see below), whose sum is σ = 3678837456. Its totient is φ = 1050133800.

The previous prime is 2101230203. The next prime is 2101230223. The reversal of 2101230212 is 2120321012.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 110414 + ... + 128037.

It is an arithmetic number, because the mean of its divisors is an integer number (306569788).

Almost surely, 2^2101230212 is an apocalyptic number.

It is an amenable number.

2101230212 is a deficient number, since it is larger than the sum of its proper divisors (1577607244).

2101230212 is a wasteful number, since it uses less digits than its factorization.

2101230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240658 (or 240656 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2101230212 is about 45839.1776976856. The cubic root of 2101230212 is about 1280.8291771030.

Adding to 2101230212 its reverse (2120321012), we get a palindrome (4221551224).

The spelling of 2101230212 in words is "two billion, one hundred one million, two hundred thirty thousand, two hundred twelve".