12101323580 has 48 divisors (see below), whose sum is σ = 26785170720. Its totient is φ = 4585421568.

The previous prime is 12101323579. The next prime is 12101323607. The reversal of 12101323580 is 8532310121.

12101323580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 166094 + ... + 227573.

It is an arithmetic number, because the mean of its divisors is an integer number (558024390).

Almost surely, 2^12101323580 is an apocalyptic number.

12101323580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101323580 is an abundant number, since it is smaller than the sum of its proper divisors (14683847140).

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

12101323580 is a wasteful number, since it uses less digits than its factorization.

12101323580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393758 (or 393756 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 12101323580 in words is "twelve billion, one hundred one million, three hundred twenty-three thousand, five hundred eighty".