12645144644160 has 224 divisors, whose sum is σ = 48298748451840. Its totient is φ = 2738196707328.

The previous prime is 12645144644159. The next prime is 12645144644201. The reversal of 12645144644160 is 6144644154621.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49391214 + ... + 49646573.

Almost surely, 2^{12645144644160} is an apocalyptic number.

12645144644160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12645144644160 is an abundant number, since it is smaller than the sum of its proper divisors (35653603807680).

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

12645144644160 is a wasteful number, since it uses less digits than its factorization.

12645144644160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99037833 (or 99037823 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

Adding to 12645144644160 its reverse (6144644154621), we get a palindrome (18789788798781).

The spelling of 12645144644160 in words is "twelve trillion, six hundred forty-five billion, one hundred forty-four million, six hundred forty-four thousand, one hundred sixty".