12021232133200 has 30 divisors (see below), whose sum is σ = 28881010200974. Its totient is φ = 4808492853120.

The previous prime is 12021232133191. The next prime is 12021232133219. The reversal of 12021232133200 is 233123212021.

It can be written as a sum of positive squares in 3 ways, for example, as 835498371136 + 11185733762064 = 914056^2 + 3344508^2 .

It is a congruent number.

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, 15026539767 + ... + 15026540566.

Almost surely, 2^{12021232133200} is an apocalyptic number.

12021232133200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021232133200 is an abundant number, since it is smaller than the sum of its proper divisors (16859778067774).

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

12021232133200 is a wasteful number, since it uses less digits than its factorization.

12021232133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30053080351 (or 30053080340 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12021232133200 its reverse (233123212021), we get a palindrome (12254355345221).

The spelling of 12021232133200 in words is "twelve trillion, twenty-one billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred".