12244193280 has 780 divisors, whose sum is σ = 49036207836. Its totient is φ = 2919628800.

The previous prime is 12244193279. The next prime is 12244193293. The reversal of 12244193280 is 8239144221.

12244193280 is a `hidden beast` number, since 122 + 441 + 93 + 2 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1967099904 + 10277093376 = 44352^2 + 101376^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 200724450 + ... + 200724510.

Almost surely, 2^12244193280 is an apocalyptic number.

12244193280 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 12244193280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24518103918).

12244193280 is an abundant number, since it is smaller than the sum of its proper divisors (36792014556).

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

12244193280 is an equidigital number, since it uses as much as digits as its factorization.

12244193280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 12244193280 in words is "twelve billion, two hundred forty-four million, one hundred ninety-three thousand, two hundred eighty".