12091483845480 has 64 divisors (see below), whose sum is σ = 39064793967360. Its totient is φ = 2976365253888.

The previous prime is 12091483845409. The next prime is 12091483845481. The reversal of 12091483845480 is 8454838419021.

It is a self number, because there is not a number n which added to its sum of digits gives 12091483845480.

It is not an unprimeable number, because it can be changed into a prime (12091483845481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3875474032 + ... + 3875477151.

It is an arithmetic number, because the mean of its divisors is an integer number (610387405740).

Almost surely, 2^{12091483845480} is an apocalyptic number.

12091483845480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12091483845480 is an abundant number, since it is smaller than the sum of its proper divisors (26973310121880).

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

12091483845480 is a wasteful number, since it uses less digits than its factorization.

12091483845480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750951210 (or 7750951206 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 12091483845480 in words is "twelve trillion, ninety-one billion, four hundred eighty-three million, eight hundred forty-five thousand, four hundred eighty".