202221100012 has 12 divisors (see below), whose sum is σ = 361416434400. Its totient is φ = 98959261616.

The previous prime is 202221100007. The next prime is 202221100013. The reversal of 202221100012 is 210001122202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202221099965 and 202221100001.

It is not an unprimeable number, because it can be changed into a prime (202221100013) 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, 537821887 + ... + 537822262.

It is an arithmetic number, because the mean of its divisors is an integer number (30118036200).

Almost surely, 2^202221100012 is an apocalyptic number.

It is an amenable number.

202221100012 is a deficient number, since it is larger than the sum of its proper divisors (159195334388).

202221100012 is a wasteful number, since it uses less digits than its factorization.

202221100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075644200 (or 1075644198 counting only the distinct ones).

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

Adding to 202221100012 its reverse (210001122202), we get a palindrome (412222222214).

The spelling of 202221100012 in words is "two hundred two billion, two hundred twenty-one million, one hundred thousand, twelve".