12012001112200 has 24 divisors (see below), whose sum is σ = 27927902586330. Its totient is φ = 4804800444800.

The previous prime is 12012001112149. The next prime is 12012001112231. The reversal of 12012001112200 is 221110021021.

It can be written as a sum of positive squares in 3 ways, for example, as 9145217099236 + 2866784012964 = 3024106^2 + 1693158^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 30030002581 + ... + 30030002980.

Almost surely, 2^{12012001112200} is an apocalyptic number.

12012001112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012001112200 is an abundant number, since it is smaller than the sum of its proper divisors (15915901474130).

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

12012001112200 is a wasteful number, since it uses less digits than its factorization.

12012001112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60060005577 (or 60060005568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012001112200 its reverse (221110021021), we get a palindrome (12233111133221).

The spelling of 12012001112200 in words is "twelve trillion, twelve billion, one million, one hundred twelve thousand, two hundred".