12012011001020 has 12 divisors (see below), whose sum is σ = 25225223102184. Its totient is φ = 4804804400400.

The previous prime is 12012011000971. The next prime is 12012011001031. The reversal of 12012011001020 is 2010011021021.

12012011001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12012011000992 and 12012011001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300300275006 + ... + 300300275045.

It is an arithmetic number, because the mean of its divisors is an integer number (2102101925182).

Almost surely, 2^{12012011001020} is an apocalyptic number.

12012011001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012011001020 is an abundant number, since it is smaller than the sum of its proper divisors (13213212101164).

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

12012011001020 is a wasteful number, since it uses less digits than its factorization.

12012011001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600600550060 (or 600600550058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12012011001020 its reverse (2010011021021), we get a palindrome (14022022022041).

The spelling of 12012011001020 in words is "twelve trillion, twelve billion, eleven million, one thousand, twenty".