12445151852 has 48 divisors (see below), whose sum is σ = 26501852160. Its totient is φ = 4991814912.

The previous prime is 12445151809. The next prime is 12445151879. The reversal of 12445151852 is 25815154421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12173 + ... + 158235.

It is an arithmetic number, because the mean of its divisors is an integer number (552121920).

Almost surely, 2^12445151852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12445151852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13250926080).

12445151852 is an abundant number, since it is smaller than the sum of its proper divisors (14056700308).

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

12445151852 is a wasteful number, since it uses less digits than its factorization.

12445151852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146270 (or 146268 counting only the distinct ones).

The product of its digits is 64000, while the sum is 38.

The spelling of 12445151852 in words is "twelve billion, four hundred forty-five million, one hundred fifty-one thousand, eight hundred fifty-two".