202201210212 has 48 divisors (see below), whose sum is σ = 500874212160. Its totient is φ = 63268273152.

The previous prime is 202201210207. The next prime is 202201210213. The reversal of 202201210212 is 212012102202.

It is a super-2 number, since 2×202201210212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202201210191 and 202201210200.

It is not an unprimeable number, because it can be changed into a prime (202201210213) 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 15 ways as a sum of consecutive naturals, for example, 1230313 + ... + 1384944.

It is an arithmetic number, because the mean of its divisors is an integer number (10434879420).

Almost surely, 2^202201210212 is an apocalyptic number.

It is an amenable number.

202201210212 is an abundant number, since it is smaller than the sum of its proper divisors (298673001948).

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

202201210212 is a wasteful number, since it uses less digits than its factorization.

202201210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615660 (or 2615658 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202201210212 its reverse (212012102202), we get a palindrome (414213312414).

The spelling of 202201210212 in words is "two hundred two billion, two hundred one million, two hundred ten thousand, two hundred twelve".