12212100202 has 8 divisors (see below), whose sum is σ = 18323369316. Its totient is φ = 6104310432.

The previous prime is 12212100149. The next prime is 12212100203. The reversal of 12212100202 is 20200121221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11550015841 + 662084361 = 107471^2 + 25731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12212100203) 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, 861043 + ... + 875110.

Almost surely, 2^12212100202 is an apocalyptic number.

12212100202 is a deficient number, since it is larger than the sum of its proper divisors (6111269114).

12212100202 is a wasteful number, since it uses less digits than its factorization.

12212100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739672.

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

Adding to 12212100202 its reverse (20200121221), we get a palindrome (32412221423).

The spelling of 12212100202 in words is "twelve billion, two hundred twelve million, one hundred thousand, two hundred two".