12192927440 has 160 divisors (see below), whose sum is σ = 30730033152. Its totient is φ = 4485888000.

The previous prime is 12192927403. The next prime is 12192927449. The reversal of 12192927440 is 4472929121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12192927449) 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, 10323650 + ... + 10324830.

Almost surely, 2^12192927440 is an apocalyptic number.

12192927440 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 12192927440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15365016576).

12192927440 is an abundant number, since it is smaller than the sum of its proper divisors (18537105712).

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

12192927440 is a wasteful number, since it uses less digits than its factorization.

12192927440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 12192927440 in words is "twelve billion, one hundred ninety-two million, nine hundred twenty-seven thousand, four hundred forty".