12001201012112 has 40 divisors (see below), whose sum is σ = 25041482726904. Its totient is φ = 5538901883904.

The previous prime is 12001201012091. The next prime is 12001201012117. The reversal of 12001201012112 is 21121010210021.

It can be written as a sum of positive squares in 4 ways, for example, as 1909879776256 + 10091321235856 = 1381984^2 + 3176684^2 .

It is not an unprimeable number, because it can be changed into a prime (12001201012117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9992588 + ... + 11128980.

Almost surely, 2^{12001201012112} is an apocalyptic number.

It is an amenable number.

12001201012112 is an abundant number, since it is smaller than the sum of its proper divisors (13040281714792).

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

12001201012112 is a wasteful number, since it uses less digits than its factorization.

12001201012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187187 (or 1187181 counting only the distinct ones).

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

Adding to 12001201012112 its reverse (21121010210021), we get a palindrome (33122211222133).

The spelling of 12001201012112 in words is "twelve trillion, one billion, two hundred one million, twelve thousand, one hundred twelve".