201200012100999 has 14 divisors (see below), whose sum is σ = 301662020887776. Its totient is φ = 134133341400180.

The previous prime is 201200012100979. The next prime is 201200012101003. The reversal of 201200012100999 is 999001210002102.

It is not a de Polignac number, because 201200012100999 - 2¹² = 201200012096903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200012100979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 137997264087 + ... + 137997265544.

Almost surely, 2^{201200012100999} is an apocalyptic number.

201200012100999 is a deficient number, since it is larger than the sum of its proper divisors (100462008786777).

201200012100999 is an frugal number, since it uses more digits than its factorization.

201200012100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275994529649 (or 275994529634 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 201200012100999 in words is "two hundred one trillion, two hundred billion, twelve million, one hundred thousand, nine hundred ninety-nine".