202221020120012 has 144 divisors (see below), whose sum is σ = 378160399431360. Its totient is φ = 94488363648000.

The previous prime is 202221020120011. The next prime is 202221020120027. The reversal of 202221020120012 is 210021020122202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202221020120011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16579564298 + ... + 16579576494.

It is an arithmetic number, because the mean of its divisors is an integer number (2626113884940).

Almost surely, 2^{202221020120012} is an apocalyptic number.

It is an amenable number.

202221020120012 is a deficient number, since it is larger than the sum of its proper divisors (175939379311348).

202221020120012 is a wasteful number, since it uses less digits than its factorization.

202221020120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12964 (or 12901 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202221020120012 its reverse (210021020122202), we get a palindrome (412242040242214).

The spelling of 202221020120012 in words is "two hundred two trillion, two hundred twenty-one billion, twenty million, one hundred twenty thousand, twelve".