12285011288 has 64 divisors (see below), whose sum is σ = 25805952000. Its totient is φ = 5435539200.

The previous prime is 12285011281. The next prime is 12285011309. The reversal of 12285011288 is 88211058221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285011281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481148 + ... + 506036.

It is an arithmetic number, because the mean of its divisors is an integer number (403218000).

Almost surely, 2^12285011288 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 12285011288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902976000).

12285011288 is an abundant number, since it is smaller than the sum of its proper divisors (13520940712).

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

12285011288 is a wasteful number, since it uses less digits than its factorization.

12285011288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25056 (or 25052 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 38.

The spelling of 12285011288 in words is "twelve billion, two hundred eighty-five million, eleven thousand, two hundred eighty-eight".