12012001120020 has 96 divisors (see below), whose sum is σ = 36883304349696. Its totient is φ = 2896754166400.

The previous prime is 12012001120019. The next prime is 12012001120037. The reversal of 12012001120020 is 2002110021021.

12012001120020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12012001119978 and 12012001120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47517924 + ... + 47770043.

It is an arithmetic number, because the mean of its divisors is an integer number (384201086976).

Almost surely, 2^{12012001120020} is an apocalyptic number.

12012001120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012001120020 is an abundant number, since it is smaller than the sum of its proper divisors (24871303229676).

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

12012001120020 is a wasteful number, since it uses less digits than its factorization.

12012001120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95288181 (or 95288179 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012001120020 its reverse (2002110021021), we get a palindrome (14014111141041).

The spelling of 12012001120020 in words is "twelve trillion, twelve billion, one million, one hundred twenty thousand, twenty".