12214040025440 has 96 divisors (see below), whose sum is σ = 31486101131520. Its totient is φ = 4440454796800.

The previous prime is 12214040025427. The next prime is 12214040025469. The reversal of 12214040025440 is 4452004041221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6937931 + ... + 8518389.

It is an arithmetic number, because the mean of its divisors is an integer number (327980220120).

Almost surely, 2^{12214040025440} is an apocalyptic number.

12214040025440 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 12214040025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15743050565760).

12214040025440 is an abundant number, since it is smaller than the sum of its proper divisors (19272061106080).

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

12214040025440 is a wasteful number, since it uses less digits than its factorization.

12214040025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584876 (or 1584868 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 12214040025440 its reverse (4452004041221), we get a palindrome (16666044066661).

The spelling of 12214040025440 in words is "twelve trillion, two hundred fourteen billion, forty million, twenty-five thousand, four hundred forty".