12464805673550 has 48 divisors (see below), whose sum is σ = 24586513831152. Its totient is φ = 4685334489600.

The previous prime is 12464805673429. The next prime is 12464805673553. The reversal of 12464805673550 is 5537650846421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12464805673553) 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, 10856621 + ... + 11949720.

It is an arithmetic number, because the mean of its divisors is an integer number (512219038149).

Almost surely, 2^{12464805673550} is an apocalyptic number.

12464805673550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12464805673550 is a deficient number, since it is larger than the sum of its proper divisors (12121708157602).

12464805673550 is a wasteful number, since it uses less digits than its factorization.

12464805673550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22807013 (or 22807008 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 12464805673550 in words is "twelve trillion, four hundred sixty-four billion, eight hundred five million, six hundred seventy-three thousand, five hundred fifty".