12006448650 has 144 divisors (see below), whose sum is σ = 38805998400. Its totient is φ = 2599879680.

The previous prime is 12006448639. The next prime is 12006448697. The reversal of 12006448650 is 5684460021.

12006448650 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 644 + 8 + 6 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40455 + ... + 160154.

It is an arithmetic number, because the mean of its divisors is an integer number (269486100).

Almost surely, 2^12006448650 is an apocalyptic number.

12006448650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12006448650 is an abundant number, since it is smaller than the sum of its proper divisors (26799549750).

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

12006448650 is a wasteful number, since it uses less digits than its factorization.

12006448650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200653 (or 200645 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 12006448650 in words is "twelve billion, six million, four hundred forty-eight thousand, six hundred fifty".