12250520112 has 80 divisors (see below), whose sum is σ = 33187206240. Its totient is φ = 3888654336.

The previous prime is 12250520101. The next prime is 12250520129. The reversal of 12250520112 is 21102505221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41338 + ... + 161894.

It is an arithmetic number, because the mean of its divisors is an integer number (414840078).

Almost surely, 2^12250520112 is an apocalyptic number.

12250520112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12250520112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16593603120).

12250520112 is an abundant number, since it is smaller than the sum of its proper divisors (20936686128).

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

12250520112 is a wasteful number, since it uses less digits than its factorization.

12250520112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120670 (or 120664 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 12250520112 in words is "twelve billion, two hundred fifty million, five hundred twenty thousand, one hundred twelve".