12021011100200 has 24 divisors (see below), whose sum is σ = 27948850808430. Its totient is φ = 4808404440000.

The previous prime is 12021011100169. The next prime is 12021011100223. The reversal of 12021011100200 is 200111012021.

It can be written as a sum of positive squares in 3 ways, for example, as 6561190036324 + 5459821063876 = 2561482^2 + 2336626^2 .

It is a super-2 number, since 2×12021011100200² (a number of 27 digits) contains 22 as substring.

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, 30052527551 + ... + 30052527950.

Almost surely, 2^{12021011100200} is an apocalyptic number.

12021011100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021011100200 is an abundant number, since it is smaller than the sum of its proper divisors (15927839708230).

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

12021011100200 is a wasteful number, since it uses less digits than its factorization.

12021011100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60105055517 (or 60105055508 counting only the distinct ones).

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

Adding to 12021011100200 its reverse (200111012021), we get a palindrome (12221122112221).

The spelling of 12021011100200 in words is "twelve trillion, twenty-one billion, eleven million, one hundred thousand, two hundred".