202221010212 has 48 divisors (see below), whose sum is σ = 511555531200. Its totient is φ = 61804245888.

The previous prime is 202221010193. The next prime is 202221010259. The reversal of 202221010212 is 212010122202.

It is a junction number, because it is equal to n+sod(n) for n = 202221010191 and 202221010200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4326718 + ... + 4373205.

It is an arithmetic number, because the mean of its divisors is an integer number (10657406900).

Almost surely, 2^202221010212 is an apocalyptic number.

It is an amenable number.

202221010212 is an abundant number, since it is smaller than the sum of its proper divisors (309334520988).

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

202221010212 is a wasteful number, since it uses less digits than its factorization.

202221010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700092 (or 8700090 counting only the distinct ones).

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

Adding to 202221010212 its reverse (212010122202), we get a palindrome (414231132414).

The spelling of 202221010212 in words is "two hundred two billion, two hundred twenty-one million, ten thousand, two hundred twelve".