12001130001020 has 24 divisors (see below), whose sum is σ = 25274586120000. Its totient is φ = 4786697120832.

The previous prime is 12001130001019. The next prime is 12001130001031. The reversal of 12001130001020 is 2010003110021.

It is a junction number, because it is equal to n+sod(n) for n = 12001130000992 and 12001130001010.

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, 859672820 + ... + 859686779.

It is an arithmetic number, because the mean of its divisors is an integer number (1053107755000).

Almost surely, 2^{12001130001020} is an apocalyptic number.

12001130001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001130001020 is an abundant number, since it is smaller than the sum of its proper divisors (13273456118980).

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

12001130001020 is a wasteful number, since it uses less digits than its factorization.

12001130001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719359957 (or 1719359955 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12001130001020 its reverse (2010003110021), we get a palindrome (14011133111041).

The spelling of 12001130001020 in words is "twelve trillion, one billion, one hundred thirty million, one thousand, twenty".