12001303121020 has 24 divisors (see below), whose sum is σ = 25521758539200. Its totient is φ = 4739755156032.

The previous prime is 12001303120973. The next prime is 12001303121051. The reversal of 12001303121020 is 2012130310021.

12001303121020 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 = 12001303120985 and 12001303121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3797879155 + ... + 3797882314.

It is an arithmetic number, because the mean of its divisors is an integer number (1063406605800).

Almost surely, 2^{12001303121020} is an apocalyptic number.

12001303121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001303121020 is an abundant number, since it is smaller than the sum of its proper divisors (13520455418180).

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

12001303121020 is a wasteful number, since it uses less digits than its factorization.

12001303121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595761557 (or 7595761555 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12001303121020 its reverse (2012130310021), we get a palindrome (14013433431041).

The spelling of 12001303121020 in words is "twelve trillion, one billion, three hundred three million, one hundred twenty-one thousand, twenty".