12514253345440 has 192 divisors, whose sum is σ = 36924738859008. Its totient is φ = 3893713228800.

The previous prime is 12514253345411. The next prime is 12514253345449. The reversal of 12514253345440 is 4454335241521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12514253345449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6145257 + ... + 7924183.

It is an arithmetic number, because the mean of its divisors is an integer number (192316348224).

Almost surely, 2^{12514253345440} is an apocalyptic number.

12514253345440 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 12514253345440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18462369429504).

12514253345440 is an abundant number, since it is smaller than the sum of its proper divisors (24410485513568).

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

12514253345440 is a wasteful number, since it uses less digits than its factorization.

12514253345440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779531 (or 1779523 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 12514253345440 its reverse (4454335241521), we get a palindrome (16968588586961).

The spelling of 12514253345440 in words is "twelve trillion, five hundred fourteen billion, two hundred fifty-three million, three hundred forty-five thousand, four hundred forty".