12648886512 has 20 divisors (see below), whose sum is σ = 32676290280. Its totient is φ = 4216295488.

The previous prime is 12648886483. The next prime is 12648886519. The reversal of 12648886512 is 21568884621.

It is a super-2 number, since 2×12648886512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648886519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131759187 + ... + 131759282.

It is an arithmetic number, because the mean of its divisors is an integer number (1633814514).

Almost surely, 2^12648886512 is an apocalyptic number.

12648886512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12648886512 is an abundant number, since it is smaller than the sum of its proper divisors (20027403768).

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

12648886512 is a wasteful number, since it uses less digits than its factorization.

12648886512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263518480 (or 263518474 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The spelling of 12648886512 in words is "twelve billion, six hundred forty-eight million, eight hundred eighty-six thousand, five hundred twelve".