12201856224 has 96 divisors (see below), whose sum is σ = 33598623744. Its totient is φ = 3869944320.

The previous prime is 12201856217. The next prime is 12201856243. The reversal of 12201856224 is 42265810221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12201856224² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407262 + ... + 436194.

It is an arithmetic number, because the mean of its divisors is an integer number (349985664).

Almost surely, 2^12201856224 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 12201856224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16799311872).

12201856224 is an abundant number, since it is smaller than the sum of its proper divisors (21396767520).

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

12201856224 is a wasteful number, since it uses less digits than its factorization.

12201856224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29160 (or 29152 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 12201856224 in words is "twelve billion, two hundred one million, eight hundred fifty-six thousand, two hundred twenty-four".