12111713280 has 264 divisors, whose sum is σ = 42603998112. Its totient is φ = 3180773376.

The previous prime is 12111713279. The next prime is 12111713309. The reversal of 12111713280 is 8231711121.

12111713280 is a `hidden beast` number, since 1 + 211 + 171 + 3 + 280 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3085399 + ... + 3089321.

Almost surely, 2^12111713280 is an apocalyptic number.

12111713280 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 12111713280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21301999056).

12111713280 is an abundant number, since it is smaller than the sum of its proper divisors (30492284832).

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

12111713280 is a wasteful number, since it uses less digits than its factorization.

12111713280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021 (or 4000 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The spelling of 12111713280 in words is "twelve billion, one hundred eleven million, seven hundred thirteen thousand, two hundred eighty".