12200111012012 has 72 divisors (see below), whose sum is σ = 27111457130688. Its totient is φ = 4750184023200.

The previous prime is 12200111012003. The next prime is 12200111012039. The reversal of 12200111012012 is 21021011100221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1452803 + ... + 5148869.

It is an arithmetic number, because the mean of its divisors is an integer number (376548015704).

Almost surely, 2^{12200111012012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200111012012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13555728565344).

12200111012012 is an abundant number, since it is smaller than the sum of its proper divisors (14911346118676).

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

12200111012012 is a wasteful number, since it uses less digits than its factorization.

12200111012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697627 (or 3697618 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12200111012012 its reverse (21021011100221), we get a palindrome (33221122112233).

The spelling of 12200111012012 in words is "twelve trillion, two hundred billion, one hundred eleven million, twelve thousand, twelve".