12012001100200 has 96 divisors (see below), whose sum is σ = 29143417291200. Its totient is φ = 4595697666560.

The previous prime is 12012001100189. The next prime is 12012001100201. The reversal of 12012001100200 is 200110021021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12012001100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149823324 + ... + 149903476.

It is an arithmetic number, because the mean of its divisors is an integer number (303577263450).

Almost surely, 2^{12012001100200} is an apocalyptic number.

12012001100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012001100200 is an abundant number, since it is smaller than the sum of its proper divisors (17131416191000).

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

12012001100200 is a wasteful number, since it uses less digits than its factorization.

12012001100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112771 (or 112762 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12012001100200 its reverse (200110021021), we get a palindrome (12212111121221).

The spelling of 12012001100200 in words is "twelve trillion, twelve billion, one million, one hundred thousand, two hundred".