2101202212 has 12 divisors (see below), whose sum is σ = 3697420636. Its totient is φ = 1044796320.

The previous prime is 2101202203. The next prime is 2101202219. The reversal of 2101202212 is 2122021012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 244109376 + 1857092836 = 15624^2 + 43094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101202192 and 2101202201.

It is not an unprimeable number, because it can be changed into a prime (2101202219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450383 + ... + 1451830.

Almost surely, 2^2101202212 is an apocalyptic number.

It is an amenable number.

2101202212 is a deficient number, since it is larger than the sum of its proper divisors (1596218424).

2101202212 is a wasteful number, since it uses less digits than its factorization.

2101202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902398 (or 2902396 counting only the distinct ones).

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

The square root of 2101202212 is about 45838.8722810673. The cubic root of 2101202212 is about 1280.8234878365.

Adding to 2101202212 its reverse (2122021012), we get a palindrome (4223223224).

The spelling of 2101202212 in words is "two billion, one hundred one million, two hundred two thousand, two hundred twelve".