12020311212200 has 24 divisors (see below), whose sum is σ = 27947223568830. Its totient is φ = 4808124484800.

The previous prime is 12020311212167. The next prime is 12020311212229. The reversal of 12020311212200 is 221211302021.

It can be written as a sum of positive squares in 3 ways, for example, as 7015685853796 + 5004625358404 = 2648714^2 + 2237102^2 .

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, 30050777831 + ... + 30050778230.

Almost surely, 2^{12020311212200} is an apocalyptic number.

12020311212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020311212200 is an abundant number, since it is smaller than the sum of its proper divisors (15926912356630).

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

12020311212200 is a wasteful number, since it uses less digits than its factorization.

12020311212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60101556077 (or 60101556068 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12020311212200 its reverse (221211302021), we get a palindrome (12241522514221).

The spelling of 12020311212200 in words is "twelve trillion, twenty billion, three hundred eleven million, two hundred twelve thousand, two hundred".