12880532867328 has 216 divisors, whose sum is σ = 44015114573248. Its totient is φ = 3680152123392.

The previous prime is 12880532867327. The next prime is 12880532867393. The reversal of 12880532867328 is 82376823508821.

It is a happy number.

12880532867328 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 0 + 532 + 8 + 6 + 73 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (12880532867327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14354251 + ... + 15225162.

Almost surely, 2^{12880532867328} is an apocalyptic number.

12880532867328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12880532867328 is an abundant number, since it is smaller than the sum of its proper divisors (31134581705920).

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

12880532867328 is an frugal number, since it uses more digits than its factorization.

12880532867328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29579451 (or 29579425 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 12880532867328 in words is "twelve trillion, eight hundred eighty billion, five hundred thirty-two million, eight hundred sixty-seven thousand, three hundred twenty-eight".