12651632144000 has 128 divisors (see below), whose sum is σ = 33110653867200. Its totient is φ = 4794302592000.

The previous prime is 12651632143951. The next prime is 12651632144023. The reversal of 12651632144000 is 44123615621.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20504606 + ... + 21112605.

Almost surely, 2^{12651632144000} is an apocalyptic number.

12651632144000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12651632144000 is an abundant number, since it is smaller than the sum of its proper divisors (20459021723200).

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

12651632144000 is an equidigital number, since it uses as much as digits as its factorization.

12651632144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41617259 (or 41617237 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 12651632144000 its reverse (44123615621), we get a palindrome (12695755759621).

The spelling of 12651632144000 in words is "twelve trillion, six hundred fifty-one billion, six hundred thirty-two million, one hundred forty-four thousand".