12305540450 has 24 divisors (see below), whose sum is σ = 26158063872. Its totient is φ = 4219042320.

The previous prime is 12305540447. The next prime is 12305540459. The reversal of 12305540450 is 5404550321.

It is not an unprimeable number, because it can be changed into a prime (12305540459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17578994 + ... + 17579693.

It is an arithmetic number, because the mean of its divisors is an integer number (1089919328).

Almost surely, 2^12305540450 is an apocalyptic number.

12305540450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12305540450 is an abundant number, since it is smaller than the sum of its proper divisors (13852523422).

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

12305540450 is a wasteful number, since it uses less digits than its factorization.

12305540450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35158706 (or 35158701 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 12305540450 in words is "twelve billion, three hundred five million, five hundred forty thousand, four hundred fifty".