200012100200021 has 8 divisors (see below), whose sum is σ = 201539351390784. Its totient is φ = 198484855695360.

The previous prime is 200012100199993. The next prime is 200012100200083. The reversal of 200012100200021 is 120002001210002.

It is a happy number.

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 200012100200021 - 2³⁴ = 199994920330837 is a prime.

It is a super-3 number, since 3×200012100200021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200012100199975 and 200012100200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012100200221) 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, 70109525 + ... + 72906581.

It is an arithmetic number, because the mean of its divisors is an integer number (25192418923848).

Almost surely, 2^{200012100200021} is an apocalyptic number.

It is an amenable number.

200012100200021 is a deficient number, since it is larger than the sum of its proper divisors (1527251190763).

200012100200021 is a wasteful number, since it uses less digits than its factorization.

200012100200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343051.

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

Adding to 200012100200021 its reverse (120002001210002), we get a palindrome (320014101410023).

The spelling of 200012100200021 in words is "two hundred trillion, twelve billion, one hundred million, two hundred thousand, twenty-one".