12201040042112 has 32 divisors (see below), whose sum is σ = 24963698913420. Its totient is φ = 5935641099264.

The previous prime is 12201040042099. The next prime is 12201040042157. The reversal of 12201040042112 is 21124004010221.

It can be written as a sum of positive squares in 2 ways, for example, as 8821707858496 + 3379332183616 = 2970136^2 + 1838296^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288111823 + ... + 1288121294.

Almost surely, 2^{12201040042112} is an apocalyptic number.

It is an amenable number.

12201040042112 is an abundant number, since it is smaller than the sum of its proper divisors (12762658871308).

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

12201040042112 is an equidigital number, since it uses as much as digits as its factorization.

12201040042112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576233168 (or 2576233156 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12201040042112 its reverse (21124004010221), we get a palindrome (33325044052333).

The spelling of 12201040042112 in words is "twelve trillion, two hundred one billion, forty million, forty-two thousand, one hundred twelve".