200021102012 has 12 divisors (see below), whose sum is σ = 350044734480. Its totient is φ = 100008320736.

The previous prime is 200021101997. The next prime is 200021102023. The reversal of 200021102012 is 210201120002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200021101984 and 200021102002.

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, 346937 + ... + 721392.

It is an arithmetic number, because the mean of its divisors is an integer number (29170394540).

Almost surely, 2^200021102012 is an apocalyptic number.

It is an amenable number.

200021102012 is a deficient number, since it is larger than the sum of its proper divisors (150023632468).

200021102012 is a wasteful number, since it uses less digits than its factorization.

200021102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115140 (or 1115138 counting only the distinct ones).

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

Adding to 200021102012 its reverse (210201120002), we get a palindrome (410222222014).

The spelling of 200021102012 in words is "two hundred billion, twenty-one million, one hundred two thousand, twelve".