12200202212112 has 30 divisors (see below), whose sum is σ = 34143621469022. Its totient is φ = 4066734070656.

The previous prime is 12200202212071. The next prime is 12200202212117. The reversal of 12200202212112 is 21121220200221.

It is a happy number.

12200202212112 is a `hidden beast` number, since 12 + 200 + 20 + 221 + 211 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7010717746176 + 5189484465936 = 2647776^2 + 2278044^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12200202212117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42361813093 + ... + 42361813380.

Almost surely, 2^{12200202212112} is an apocalyptic number.

12200202212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12200202212112 is an abundant number, since it is smaller than the sum of its proper divisors (21943419256910).

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

12200202212112 is a wasteful number, since it uses less digits than its factorization.

12200202212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84723626487 (or 84723626478 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12200202212112 its reverse (21121220200221), we get a palindrome (33321422412333).

The spelling of 12200202212112 in words is "twelve trillion, two hundred billion, two hundred two million, two hundred twelve thousand, one hundred twelve".