12001121020112 has 20 divisors (see below), whose sum is σ = 26573910830496. Its totient is φ = 5143337580000.

The previous prime is 12001121020099. The next prime is 12001121020129. The reversal of 12001121020112 is 21102012110021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 53576433014 + ... + 53576433237.

Almost surely, 2^{12001121020112} is an apocalyptic number.

It is an amenable number.

12001121020112 is an abundant number, since it is smaller than the sum of its proper divisors (14572789810384).

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

12001121020112 is a wasteful number, since it uses less digits than its factorization.

12001121020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107152866266 (or 107152866260 counting only the distinct ones).

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

Adding to 12001121020112 its reverse (21102012110021), we get a palindrome (33103133130133).

The spelling of 12001121020112 in words is "twelve trillion, one billion, one hundred twenty-one million, twenty thousand, one hundred twelve".