2120211212 has 12 divisors (see below), whose sum is σ = 4240422480. Its totient is φ = 908661936.

The previous prime is 2120211169. The next prime is 2120211239. The reversal of 2120211212 is 2121120212.

2120211212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 37860887 + ... + 37860942.

It is an arithmetic number, because the mean of its divisors is an integer number (353368540).

Almost surely, 2^2120211212 is an apocalyptic number.

It is an amenable number.

2120211212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120211212 is a wasteful number, since it uses less digits than its factorization.

2120211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75721840 (or 75721838 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2120211212 is about 46045.7512915144. The cubic root of 2120211212 is about 1284.6743181860.

Adding to 2120211212 its reverse (2121120212), we get a palindrome (4241331424).

The spelling of 2120211212 in words is "two billion, one hundred twenty million, two hundred eleven thousand, two hundred twelve".