12205489248 has 72 divisors (see below), whose sum is σ = 34794559800. Its totient is φ = 4058509824.

The previous prime is 12205489223. The next prime is 12205489277. The reversal of 12205489248 is 84298450221.

12205489248 is a `hidden beast` number, since 12 + 2 + 0 + 548 + 92 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65983 + ... + 169601.

It is an arithmetic number, because the mean of its divisors is an integer number (483257775).

Almost surely, 2^12205489248 is an apocalyptic number.

12205489248 is a gapful number since it is divisible by the number (18) 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 12205489248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17397279900).

12205489248 is an abundant number, since it is smaller than the sum of its proper divisors (22589070552).

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

12205489248 is a wasteful number, since it uses less digits than its factorization.

12205489248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104044 (or 104033 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 12205489248 in words is "twelve billion, two hundred five million, four hundred eighty-nine thousand, two hundred forty-eight".