12222201280 has 112 divisors (see below), whose sum is σ = 29624584896. Its totient is φ = 4801986560.

The previous prime is 12222201259. The next prime is 12222201281. The reversal of 12222201280 is 8210222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222201281) 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, 7201392 + ... + 7203088.

Almost surely, 2^12222201280 is an apocalyptic number.

12222201280 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 12222201280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14812292448).

12222201280 is an abundant number, since it is smaller than the sum of its proper divisors (17402383616).

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

12222201280 is a wasteful number, since it uses less digits than its factorization.

12222201280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 12222201280 in words is "twelve billion, two hundred twenty-two million, two hundred one thousand, two hundred eighty".