12001001022112 has 48 divisors (see below), whose sum is σ = 24280455719520. Its totient is φ = 5834735486208.

The previous prime is 12001001022107. The next prime is 12001001022169. The reversal of 12001001022112 is 21122010010021.

It is a junction number, because it is equal to n+sod(n) for n = 12001001022092 and 12001001022101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188562 + ... + 5041297.

It is an arithmetic number, because the mean of its divisors is an integer number (505842827490).

Almost surely, 2^{12001001022112} is an apocalyptic number.

It is an amenable number.

12001001022112 is an abundant number, since it is smaller than the sum of its proper divisors (12279454697408).

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

12001001022112 is a wasteful number, since it uses less digits than its factorization.

12001001022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231533 (or 6231525 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001001022112 its reverse (21122010010021), we get a palindrome (33123011032133).

The spelling of 12001001022112 in words is "twelve trillion, one billion, one million, twenty-two thousand, one hundred twelve".