12308798850 has 48 divisors (see below), whose sum is σ = 30551357088. Its totient is φ = 3279600640.

The previous prime is 12308798849. The next prime is 12308798851. The reversal of 12308798850 is 5889780321.

It is an interprime number because it is at equal distance from previous prime (12308798849) and next prime (12308798851).

It is a super-2 number, since 2×12308798850² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12308798793 and 12308798802.

It is not an unprimeable number, because it can be changed into a prime (12308798851) 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, 148837 + ... + 216263.

It is an arithmetic number, because the mean of its divisors is an integer number (636486606).

Almost surely, 2^12308798850 is an apocalyptic number.

12308798850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12308798850 is an abundant number, since it is smaller than the sum of its proper divisors (18242558238).

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

12308798850 is a wasteful number, since it uses less digits than its factorization.

12308798850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68659 (or 68654 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 12308798850 in words is "twelve billion, three hundred eight million, seven hundred ninety-eight thousand, eight hundred fifty".