12259598280 has 128 divisors (see below), whose sum is σ = 39035001600. Its totient is φ = 3069591552.

The previous prime is 12259598203. The next prime is 12259598287. The reversal of 12259598280 is 8289595221.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (12259598287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 876381 + ... + 890259.

It is an arithmetic number, because the mean of its divisors is an integer number (304960950).

Almost surely, 2^12259598280 is an apocalyptic number.

12259598280 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 12259598280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19517500800).

12259598280 is an abundant number, since it is smaller than the sum of its proper divisors (26775403320).

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

12259598280 is a wasteful number, since it uses less digits than its factorization.

12259598280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343 (or 14339 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 12259598280 in words is "twelve billion, two hundred fifty-nine million, five hundred ninety-eight thousand, two hundred eighty".