200212100012021 has 32 divisors (see below), whose sum is σ = 205274958873600. Its totient is φ = 195222661920000.

The previous prime is 200212100011993. The next prime is 200212100012027. The reversal of 200212100012021 is 120210001212002.

It is a cyclic number.

It is not a de Polignac number, because 200212100012021 - 2¹⁴ = 200212099995637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212100011987 and 200212100012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212100012027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23332019951 + ... + 23332028531.

It is an arithmetic number, because the mean of its divisors is an integer number (6414842464800).

Almost surely, 2^{200212100012021} is an apocalyptic number.

It is an amenable number.

200212100012021 is a deficient number, since it is larger than the sum of its proper divisors (5062858861579).

200212100012021 is a wasteful number, since it uses less digits than its factorization.

200212100012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15861.

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

Adding to 200212100012021 its reverse (120210001212002), we get a palindrome (320422101224023).

The spelling of 200212100012021 in words is "two hundred trillion, two hundred twelve billion, one hundred million, twelve thousand, twenty-one".