12527888016400 has 60 divisors (see below), whose sum is σ = 31868736327252. Its totient is φ = 4716381368320.

The previous prime is 12527888016367. The next prime is 12527888016493. The reversal of 12527888016400 is 461088872521.

It can be written as a sum of positive squares in 6 ways, for example, as 41106751504 + 12486781264896 = 202748^2 + 3533664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 921161437 + ... + 921175036.

Almost surely, 2^{12527888016400} is an apocalyptic number.

12527888016400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12527888016400 is an abundant number, since it is smaller than the sum of its proper divisors (19340848310852).

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

12527888016400 is a wasteful number, since it uses less digits than its factorization.

12527888016400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842336508 (or 1842336497 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 12527888016400 in words is "twelve trillion, five hundred twenty-seven billion, eight hundred eighty-eight million, sixteen thousand, four hundred".