12722436056550 has 96 divisors (see below), whose sum is σ = 35350242153984. Its totient is φ = 3000869424000.

The previous prime is 12722436056497. The next prime is 12722436056633. The reversal of 12722436056550 is 5565063422721.

It is a self number, because there is not a number n which added to its sum of digits gives 12722436056550.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 104135806 + ... + 104257905.

It is an arithmetic number, because the mean of its divisors is an integer number (368231689104).

Almost surely, 2^{12722436056550} is an apocalyptic number.

12722436056550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12722436056550 is an abundant number, since it is smaller than the sum of its proper divisors (22627806097434).

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

12722436056550 is a wasteful number, since it uses less digits than its factorization.

12722436056550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208393774 (or 208393769 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 12722436056550 in words is "twelve trillion, seven hundred twenty-two billion, four hundred thirty-six million, fifty-six thousand, five hundred fifty".