200121303012 has 12 divisors (see below), whose sum is σ = 466949707056. Its totient is φ = 66707101000.

The previous prime is 200121303007. The next prime is 200121303043. The reversal of 200121303012 is 210303121002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 200121302982 and 200121303000.

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, 8338387614 + ... + 8338387637.

It is an arithmetic number, because the mean of its divisors is an integer number (38912475588).

Almost surely, 2^200121303012 is an apocalyptic number.

It is an amenable number.

200121303012 is an abundant number, since it is smaller than the sum of its proper divisors (266828404044).

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

200121303012 is a wasteful number, since it uses less digits than its factorization.

200121303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676775258 (or 16676775256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200121303012 its reverse (210303121002), we get a palindrome (410424424014).

The spelling of 200121303012 in words is "two hundred billion, one hundred twenty-one million, three hundred three thousand, twelve".