12006757320 has 128 divisors (see below), whose sum is σ = 36270374400. Its totient is φ = 3179667456.

The previous prime is 12006757319. The next prime is 12006757349. The reversal of 12006757320 is 2375760021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14841076 + ... + 14841884.

It is an arithmetic number, because the mean of its divisors is an integer number (283362300).

Almost surely, 2^12006757320 is an apocalyptic number.

12006757320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12006757320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18135187200).

12006757320 is an abundant number, since it is smaller than the sum of its proper divisors (24263617080).

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

12006757320 is a wasteful number, since it uses less digits than its factorization.

12006757320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 12006757320 in words is "twelve billion, six million, seven hundred fifty-seven thousand, three hundred twenty".