12001111020200 has 48 divisors (see below), whose sum is σ = 27902895690780. Its totient is φ = 4800390632960.

The previous prime is 12001111020191. The next prime is 12001111020221. The reversal of 12001111020200 is 202011110021.

It can be written as a sum of positive squares in 6 ways, for example, as 2202796209124 + 9798314811076 = 1484182^2 + 3130226^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20912294 + ... + 21478506.

Almost surely, 2^{12001111020200} is an apocalyptic number.

12001111020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001111020200 is an abundant number, since it is smaller than the sum of its proper divisors (15901784670580).

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

12001111020200 is a wasteful number, since it uses less digits than its factorization.

12001111020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672206 (or 672197 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001111020200 its reverse (202011110021), we get a palindrome (12203122130221).

The spelling of 12001111020200 in words is "twelve trillion, one billion, one hundred eleven million, twenty thousand, two hundred".