12012111023320 has 64 divisors (see below), whose sum is σ = 27128682547200. Its totient is φ = 4786834268160.

The previous prime is 12012111023303. The next prime is 12012111023357. The reversal of 12012111023320 is 2332011121021.

12012111023320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12012111023320² (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, 16892560 + ... + 17589280.

It is an arithmetic number, because the mean of its divisors is an integer number (423885664800).

Almost surely, 2^{12012111023320} is an apocalyptic number.

12012111023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012111023320 is an abundant number, since it is smaller than the sum of its proper divisors (15116571523880).

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

12012111023320 is a wasteful number, since it uses less digits than its factorization.

12012111023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698348 (or 698344 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12012111023320 its reverse (2332011121021), we get a palindrome (14344122144341).

The spelling of 12012111023320 in words is "twelve trillion, twelve billion, one hundred eleven million, twenty-three thousand, three hundred twenty".