12245522300 has 72 divisors (see below), whose sum is σ = 29014309632. Its totient is φ = 4448952000.

The previous prime is 12245522293. The next prime is 12245522309. The reversal of 12245522300 is 322554221.

It is a self number, because there is not a number n which added to its sum of digits gives 12245522300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245522309) 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, 1415789 + ... + 1424411.

Almost surely, 2^12245522300 is an apocalyptic number.

12245522300 is a gapful number since it is divisible by the number (10) 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 12245522300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14507154816).

12245522300 is an abundant number, since it is smaller than the sum of its proper divisors (16768787332).

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

12245522300 is a wasteful number, since it uses less digits than its factorization.

12245522300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939 (or 9932 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 12245522300 in words is "twelve billion, two hundred forty-five million, five hundred twenty-two thousand, three hundred".