12201110122112 has 16 divisors (see below), whose sum is σ = 24306899071650. Its totient is φ = 6100555060992.

The previous prime is 12201110122081. The next prime is 12201110122151. The reversal of 12201110122112 is 21122101110221.

It can be written as a sum of positive squares in only one way, i.e., 12106113019456 + 94997102656 = 3479384^2 + 308216^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47660586287 + ... + 47660586542.

Almost surely, 2^{12201110122112} is an apocalyptic number.

It is an amenable number.

12201110122112 is a deficient number, since it is larger than the sum of its proper divisors (12105788949538).

12201110122112 is an frugal number, since it uses more digits than its factorization.

12201110122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95321172843 (or 95321172831 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12201110122112 its reverse (21122101110221), we get a palindrome (33323211232333).

The spelling of 12201110122112 in words is "twelve trillion, two hundred one billion, one hundred ten million, one hundred twenty-two thousand, one hundred twelve".