202221030012 has 48 divisors (see below), whose sum is σ = 473459175840. Its totient is φ = 67177340928.

The previous prime is 202221030007. The next prime is 202221030047. The reversal of 202221030012 is 210030122202.

It is a happy number.

It is a super-2 number, since 2×202221030012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202221029973 and 202221030000.

It is a congruent number.

It is an unprimeable number.

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, 4806138 + ... + 4848030.

It is an arithmetic number, because the mean of its divisors is an integer number (9863732830).

Almost surely, 2^202221030012 is an apocalyptic number.

It is an amenable number.

202221030012 is an abundant number, since it is smaller than the sum of its proper divisors (271238145828).

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

202221030012 is a wasteful number, since it uses less digits than its factorization.

202221030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43262 (or 43260 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202221030012 its reverse (210030122202), we get a palindrome (412251152214).

The spelling of 202221030012 in words is "two hundred two billion, two hundred twenty-one million, thirty thousand, twelve".