12049323580 has 48 divisors (see below), whose sum is σ = 30619463616. Its totient is φ = 3888184320.

The previous prime is 12049323553. The next prime is 12049323599. The reversal of 12049323580 is 8532394021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528991 + ... + 2533750.

It is an arithmetic number, because the mean of its divisors is an integer number (637905492).

Almost surely, 2^12049323580 is an apocalyptic number.

12049323580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12049323580 is an abundant number, since it is smaller than the sum of its proper divisors (18570140036).

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

12049323580 is a wasteful number, since it uses less digits than its factorization.

12049323580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062774 (or 5062772 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 12049323580 in words is "twelve billion, forty-nine million, three hundred twenty-three thousand, five hundred eighty".