202201221221012 has 96 divisors (see below), whose sum is σ = 410788408060800. Its totient is φ = 86285946926592.

The previous prime is 202201221220897. The next prime is 202201221221057. The reversal of 202201221221012 is 210122122102202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50628914 + ... + 54476502.

It is an arithmetic number, because the mean of its divisors is an integer number (4279045917300).

Almost surely, 2^{202201221221012} is an apocalyptic number.

It is an amenable number.

202201221221012 is an abundant number, since it is smaller than the sum of its proper divisors (208587186839788).

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

202201221221012 is a wasteful number, since it uses less digits than its factorization.

202201221221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848905 (or 3848903 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202201221221012 its reverse (210122122102202), we get a palindrome (412323343323214).

The spelling of 202201221221012 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-one thousand, twelve".