12109452930 has 48 divisors (see below), whose sum is σ = 31541233464. Its totient is φ = 3223376640.

The previous prime is 12109452923. The next prime is 12109452931. The reversal of 12109452930 is 3925490121.

12109452930 is a `hidden beast` number, since 1 + 2 + 10 + 94 + 529 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6179374881 + 5930078049 = 78609^2 + 77007^2 .

It is not an unprimeable number, because it can be changed into a prime (12109452931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70651 + ... + 170910.

Almost surely, 2^12109452930 is an apocalyptic number.

12109452930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12109452930 is an abundant number, since it is smaller than the sum of its proper divisors (19431780534).

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

12109452930 is a wasteful number, since it uses less digits than its factorization.

12109452930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242131 (or 242128 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 12109452930 in words is "twelve billion, one hundred nine million, four hundred fifty-two thousand, nine hundred thirty".