13215143140122 has 48 divisors (see below), whose sum is σ = 33540474619872. Its totient is φ = 3432504710880.

The previous prime is 13215143140117. The next prime is 13215143140123. The reversal of 13215143140122 is 22104134151231.

It is a self number, because there is not a number n which added to its sum of digits gives 13215143140122.

It is not an unprimeable number, because it can be changed into a prime (13215143140123) 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, 2043154333 + ... + 2043160800.

It is an arithmetic number, because the mean of its divisors is an integer number (698759887914).

Almost surely, 2^{13215143140122} is an apocalyptic number.

13215143140122 is an abundant number, since it is smaller than the sum of its proper divisors (20325331479750).

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

13215143140122 is a wasteful number, since it uses less digits than its factorization.

13215143140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086315163 (or 4086315156 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 13215143140122 its reverse (22104134151231), we get a palindrome (35319277291353).

The spelling of 13215143140122 in words is "thirteen trillion, two hundred fifteen billion, one hundred forty-three million, one hundred forty thousand, one hundred twenty-two".