12110999109012 has 48 divisors (see below), whose sum is σ = 31446533025600. Its totient is φ = 4030873731360.

The previous prime is 12110999109007. The next prime is 12110999109047. The reversal of 12110999109012 is 21090199901121.

It is a super-2 number, since 2×12110999109012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85011439 + ... + 85153782.

It is an arithmetic number, because the mean of its divisors is an integer number (655136104700).

Almost surely, 2^{12110999109012} is an apocalyptic number.

12110999109012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12110999109012 is an abundant number, since it is smaller than the sum of its proper divisors (19335533916588).

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

12110999109012 is a wasteful number, since it uses less digits than its factorization.

12110999109012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170165893 (or 170165885 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 12110999109012 in words is "twelve trillion, one hundred ten billion, nine hundred ninety-nine million, one hundred nine thousand, twelve".