12130533020 has 24 divisors (see below), whose sum is σ = 25476191664. Its totient is φ = 4851818496.

The previous prime is 12130533011. The next prime is 12130533031. The reversal of 12130533020 is 2033503121.

12130533020 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 12130532983 and 12130533001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451484 + ... + 477596.

It is an arithmetic number, because the mean of its divisors is an integer number (1061507986).

Almost surely, 2^12130533020 is an apocalyptic number.

12130533020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130533020 is an abundant number, since it is smaller than the sum of its proper divisors (13345658644).

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

12130533020 is a wasteful number, since it uses less digits than its factorization.

12130533020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49349 (or 49347 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The spelling of 12130533020 in words is "twelve billion, one hundred thirty million, five hundred thirty-three thousand, twenty".