2100201212 has 24 divisors (see below), whose sum is σ = 3691388400. Its totient is φ = 1045529856.

The previous prime is 2100201203. The next prime is 2100201217. The reversal of 2100201212 is 2121020012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100201193 and 2100201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100201217) 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, 1528958 + ... + 1530330.

It is an arithmetic number, because the mean of its divisors is an integer number (153807850).

Almost surely, 2^2100201212 is an apocalyptic number.

It is an amenable number.

2100201212 is a deficient number, since it is larger than the sum of its proper divisors (1591187188).

2100201212 is a wasteful number, since it uses less digits than its factorization.

2100201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2100201212 is about 45827.9522998792. The cubic root of 2100201212 is about 1280.6200633472.

Adding to 2100201212 its reverse (2121020012), we get a palindrome (4221221224).

The spelling of 2100201212 in words is "two billion, one hundred million, two hundred one thousand, two hundred twelve".