200020100021012 has 12 divisors (see below), whose sum is σ = 350397155576160. Its totient is φ = 99906626999256.

The previous prime is 200020100020973. The next prime is 200020100021039. The reversal of 200020100021012 is 210120001020002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200020100020984 and 200020100021002.

It is a congruent number.

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, 25855748462 + ... + 25855756197.

It is an arithmetic number, because the mean of its divisors is an integer number (29199762964680).

Almost surely, 2^{200020100021012} is an apocalyptic number.

It is an amenable number.

200020100021012 is a deficient number, since it is larger than the sum of its proper divisors (150377055555148).

200020100021012 is a wasteful number, since it uses less digits than its factorization.

200020100021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51711505630 (or 51711505628 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200020100021012 its reverse (210120001020002), we get a palindrome (410140101041014).

The spelling of 200020100021012 in words is "two hundred trillion, twenty billion, one hundred million, twenty-one thousand, twelve".