12011012320120 has 32 divisors (see below), whose sum is σ = 29481575695920. Its totient is φ = 4367640843520.

The previous prime is 12011012320049. The next prime is 12011012320213. The reversal of 12011012320120 is 2102321011021.

It is a junction number, because it is equal to n+sod(n) for n = 12011012320094 and 12011012320103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13648877197 + ... + 13648878076.

Almost surely, 2^{12011012320120} is an apocalyptic number.

12011012320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011012320120 is an abundant number, since it is smaller than the sum of its proper divisors (17470563375800).

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

12011012320120 is a wasteful number, since it uses less digits than its factorization.

12011012320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27297755295 (or 27297755291 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011012320120 its reverse (2102321011021), we get a palindrome (14113333331141).

The spelling of 12011012320120 in words is "twelve trillion, eleven billion, twelve million, three hundred twenty thousand, one hundred twenty".