12202100212 has 6 divisors (see below), whose sum is σ = 21353675378. Its totient is φ = 6101050104.

The previous prime is 12202100203. The next prime is 12202100213. The reversal of 12202100212 is 21200120221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6129950436 + 6072149776 = 78294^2 + 77924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12202100192 and 12202100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202100213) 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 as a sum of consecutive naturals, namely, 1525262523 + ... + 1525262530.

Almost surely, 2^12202100212 is an apocalyptic number.

It is an amenable number.

12202100212 is a deficient number, since it is larger than the sum of its proper divisors (9151575166).

12202100212 is a wasteful number, since it uses less digits than its factorization.

12202100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050525057 (or 3050525055 counting only the distinct ones).

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

Adding to 12202100212 its reverse (21200120221), we get a palindrome (33402220433).

The spelling of 12202100212 in words is "twelve billion, two hundred two million, one hundred thousand, two hundred twelve".