201021222010012 has 48 divisors (see below), whose sum is σ = 359258399136000. Its totient is φ = 98404298265600.

The previous prime is 201021222010009. The next prime is 201021222010039. The reversal of 201021222010012 is 210010222120102.

It is a happy number.

It is a congruent number.

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, 5936164 + ... + 20911252.

It is an arithmetic number, because the mean of its divisors is an integer number (7484549982000).

Almost surely, 2^{201021222010012} is an apocalyptic number.

It is an amenable number.

201021222010012 is a deficient number, since it is larger than the sum of its proper divisors (158237177125988).

201021222010012 is a wasteful number, since it uses less digits than its factorization.

201021222010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14975566 (or 14975564 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201021222010012 its reverse (210010222120102), we get a palindrome (411031444130114).

The spelling of 201021222010012 in words is "two hundred one trillion, twenty-one billion, two hundred twenty-two million, ten thousand, twelve".