12442366405452 has 48 divisors (see below), whose sum is σ = 29838747456000. Its totient is φ = 4033356854592.

The previous prime is 12442366405397. The next prime is 12442366405463. The reversal of 12442366405452 is 25450466324421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70169202 + ... + 70346297.

It is an arithmetic number, because the mean of its divisors is an integer number (621640572000).

Almost surely, 2^{12442366405452} is an apocalyptic number.

12442366405452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12442366405452 is an abundant number, since it is smaller than the sum of its proper divisors (17396381050548).

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

12442366405452 is a wasteful number, since it uses less digits than its factorization.

12442366405452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140515710 (or 140515708 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 48.

The spelling of 12442366405452 in words is "twelve trillion, four hundred forty-two billion, three hundred sixty-six million, four hundred five thousand, four hundred fifty-two".