8100001200006 has 24 divisors (see below), whose sum is σ = 17550240232824. Its totient is φ = 2699963841120.

The previous prime is 8100001199971. The next prime is 8100001200007. The reversal of 8100001200006 is 6000021000018.

It is a super-2 number, since 2×8100001200006² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8100001200007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1663311 + ... + 4355066.

It is an arithmetic number, because the mean of its divisors is an integer number (731260009701).

Almost surely, 2^{8100001200006} is an apocalyptic number.

8100001200006 is an abundant number, since it is smaller than the sum of its proper divisors (9450239032818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8100001200006 is a wasteful number, since it uses less digits than its factorization.

8100001200006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093156 (or 6093153 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The spelling of 8100001200006 in words is "eight trillion, one hundred billion, one million, two hundred thousand, six".