12041989696 has 189 divisors, whose sum is σ = 27849931473. Its totient is φ = 5161981440.

The previous prime is 12041989693. The next prime is 12041989717. The reversal of 12041989696 is 69698914021.

The square root of 12041989696 is 109736.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6314527296 + 5727462400 = 79464^2 + 75680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041989693) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 280046251 + ... + 280046293.

Almost surely, 2^12041989696 is an apocalyptic number.

12041989696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12041989696 is the 109736-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12041989696

12041989696 is an abundant number, since it is smaller than the sum of its proper divisors (15807941777).

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

12041989696 is an equidigital number, since it uses as much as digits as its factorization.

12041989696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 12041989696 in words is "twelve billion, forty-one million, nine hundred eighty-nine thousand, six hundred ninety-six".