13122340213550 has 24 divisors (see below), whose sum is σ = 24407652555792. Its totient is φ = 5248914632000.

The previous prime is 13122340213513. The next prime is 13122340213559. The reversal of 13122340213550 is 5531204322131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122340213559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18530495 + ... + 19225605.

It is an arithmetic number, because the mean of its divisors is an integer number (1016985523158).

Almost surely, 2^{13122340213550} is an apocalyptic number.

13122340213550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13122340213550 is a deficient number, since it is larger than the sum of its proper divisors (11285312342242).

13122340213550 is a wasteful number, since it uses less digits than its factorization.

13122340213550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072684 (or 1072679 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 13122340213550 its reverse (5531204322131), we get a palindrome (18653544535681).

The spelling of 13122340213550 in words is "thirteen trillion, one hundred twenty-two billion, three hundred forty million, two hundred thirteen thousand, five hundred fifty".