12120011011120 has 80 divisors (see below), whose sum is σ = 28833929590752. Its totient is φ = 4736117934080.

The previous prime is 12120011011091. The next prime is 12120011011139. The reversal of 12120011011120 is 2111011002121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 12120011011120.

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, 5146186 + ... + 7122025.

Almost surely, 2^{12120011011120} is an apocalyptic number.

12120011011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120011011120 is an abundant number, since it is smaller than the sum of its proper divisors (16713918579632).

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

12120011011120 is a wasteful number, since it uses less digits than its factorization.

12120011011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268510 (or 12268504 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12120011011120 its reverse (2111011002121), we get a palindrome (14231022013241).

The spelling of 12120011011120 in words is "twelve trillion, one hundred twenty billion, eleven million, eleven thousand, one hundred twenty".