12001211220200 has 48 divisors (see below), whose sum is σ = 29371385364000. Its totient is φ = 4547827408320.

The previous prime is 12001211220197. The next prime is 12001211220223. The reversal of 12001211220200 is 202211210021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579102940 + ... + 1579110539.

It is an arithmetic number, because the mean of its divisors is an integer number (611903861750).

Almost surely, 2^{12001211220200} is an apocalyptic number.

12001211220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001211220200 is an abundant number, since it is smaller than the sum of its proper divisors (17370174143800).

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

12001211220200 is a wasteful number, since it uses less digits than its factorization.

12001211220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158213514 (or 3158213505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12001211220200 its reverse (202211210021), we get a palindrome (12203422430221).

The spelling of 12001211220200 in words is "twelve trillion, one billion, two hundred eleven million, two hundred twenty thousand, two hundred".