12021120020200 has 24 divisors (see below), whose sum is σ = 27949104047430. Its totient is φ = 4808448008000.

The previous prime is 12021120020183. The next prime is 12021120020213. The reversal of 12021120020200 is 202002112021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6767791844004 + 5253328176196 = 2601498^2 + 2292014^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30052799851 + ... + 30052800250.

Almost surely, 2^{12021120020200} is an apocalyptic number.

12021120020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021120020200 is an abundant number, since it is smaller than the sum of its proper divisors (15927984027230).

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

12021120020200 is a wasteful number, since it uses less digits than its factorization.

12021120020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60105600117 (or 60105600108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12021120020200 its reverse (202002112021), we get a palindrome (12223122132221).

The spelling of 12021120020200 in words is "twelve trillion, twenty-one billion, one hundred twenty million, twenty thousand, two hundred".