200012102210021 has 8 divisors (see below), whose sum is σ = 201183941188704. Its totient is φ = 198842813480880.

The previous prime is 200012102210017. The next prime is 200012102210047. The reversal of 200012102210021 is 120012201210002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200012102210021 - 2² = 200012102210017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200012102209978 and 200012102210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012102240021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637405070 + ... + 637718783.

It is an arithmetic number, because the mean of its divisors is an integer number (25147992648588).

Almost surely, 2^{200012102210021} is an apocalyptic number.

It is an amenable number.

200012102210021 is a deficient number, since it is larger than the sum of its proper divisors (1171838978683).

200012102210021 is a wasteful number, since it uses less digits than its factorization.

200012102210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275124771.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200012102210021 its reverse (120012201210002), we get a palindrome (320024303420023).

The spelling of 200012102210021 in words is "two hundred trillion, twelve billion, one hundred two million, two hundred ten thousand, twenty-one".