12012111110120 has 64 divisors (see below), whose sum is σ = 30766197651840. Its totient is φ = 4178125600000.

The previous prime is 12012111110113. The next prime is 12012111110159. The reversal of 12012111110120 is 2101111121021.

It is a junction number, because it is equal to n+sod(n) for n = 12012111110095 and 12012111110104.

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, 593473631 + ... + 593493870.

It is an arithmetic number, because the mean of its divisors is an integer number (480721838310).

Almost surely, 2^{12012111110120} is an apocalyptic number.

12012111110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012111110120 is an abundant number, since it is smaller than the sum of its proper divisors (18754086541720).

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

12012111110120 is a wasteful number, since it uses less digits than its factorization.

12012111110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186967546 (or 1186967542 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12012111110120 its reverse (2101111121021), we get a palindrome (14113222231141).

The spelling of 12012111110120 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred ten thousand, one hundred twenty".