212233100202 has 24 divisors (see below), whose sum is σ = 462767296836. Its totient is φ = 70293764736.

The previous prime is 212233100179. The next prime is 212233100207. The reversal of 212233100202 is 202001332212.

It can be written as a sum of positive squares in 2 ways, for example, as 203264820801 + 8968279401 = 450849^2 + 94701^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212233100207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37547263 + ... + 37552914.

Almost surely, 2^212233100202 is an apocalyptic number.

212233100202 is an abundant number, since it is smaller than the sum of its proper divisors (250534196634).

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

212233100202 is a wasteful number, since it uses less digits than its factorization.

212233100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75100342 (or 75100339 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212233100202 its reverse (202001332212), we get a palindrome (414234432414).

The spelling of 212233100202 in words is "two hundred twelve billion, two hundred thirty-three million, one hundred thousand, two hundred two".