200121202112012 has 12 divisors (see below), whose sum is σ = 352562520500400. Its totient is φ = 99389053397616.

The previous prime is 200121202111993. The next prime is 200121202112033. The reversal of 200121202112012 is 210211202121002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167886913928 + ... + 167886915119.

It is an arithmetic number, because the mean of its divisors is an integer number (29380210041700).

Almost surely, 2^{200121202112012} is an apocalyptic number.

It is an amenable number.

200121202112012 is a deficient number, since it is larger than the sum of its proper divisors (152441318388388).

200121202112012 is a wasteful number, since it uses less digits than its factorization.

200121202112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335773829200 (or 335773829198 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200121202112012 its reverse (210211202121002), we get a palindrome (410332404233014).

The spelling of 200121202112012 in words is "two hundred trillion, one hundred twenty-one billion, two hundred two million, one hundred twelve thousand, twelve".