12210555264 has 48 divisors (see below), whose sum is σ = 32440040220. Its totient is φ = 4069463296.

The previous prime is 12210555263. The next prime is 12210555271. The reversal of 12210555264 is 46255501221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210555263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2162557 + ... + 2168195.

Almost surely, 2^12210555264 is an apocalyptic number.

It is an amenable number.

12210555264 is an abundant number, since it is smaller than the sum of its proper divisors (20229484956).

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

12210555264 is an frugal number, since it uses more digits than its factorization.

12210555264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 12210555264 in words is "twelve billion, two hundred ten million, five hundred fifty-five thousand, two hundred sixty-four".