12452452551340 has 24 divisors (see below), whose sum is σ = 26191592777952. Its totient is φ = 4973087226240.

The previous prime is 12452452551233. The next prime is 12452452551347. The reversal of 12452452551340 is 4315525425421.

It is not an unprimeable number, because it can be changed into a prime (12452452551347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493349209 + ... + 493374448.

It is an arithmetic number, because the mean of its divisors is an integer number (1091316365748).

Almost surely, 2^{12452452551340} is an apocalyptic number.

12452452551340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12452452551340 is an abundant number, since it is smaller than the sum of its proper divisors (13739140226612).

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

12452452551340 is a wasteful number, since it uses less digits than its factorization.

12452452551340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986724297 (or 986724295 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 12452452551340 its reverse (4315525425421), we get a palindrome (16767977976761).

The spelling of 12452452551340 in words is "twelve trillion, four hundred fifty-two billion, four hundred fifty-two million, five hundred fifty-one thousand, three hundred forty".