12320926650 has 36 divisors (see below), whose sum is σ = 33102224142. Its totient is φ = 3285580320.

The previous prime is 12320926643. The next prime is 12320926699. The reversal of 12320926650 is 5662902321.

It can be written as a sum of positive squares in 3 ways, for example, as 10956436929 + 1364489721 = 104673^2 + 36939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13689469 + ... + 13690368.

Almost surely, 2^12320926650 is an apocalyptic number.

12320926650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320926650 is an abundant number, since it is smaller than the sum of its proper divisors (20781297492).

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

12320926650 is a wasteful number, since it uses less digits than its factorization.

12320926650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27379855 (or 27379847 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 12320926650 in words is "twelve billion, three hundred twenty million, nine hundred twenty-six thousand, six hundred fifty".