13122162543 has 32 divisors (see below), whose sum is σ = 20101939200. Its totient is φ = 7458644736.

The previous prime is 13122162539. The next prime is 13122162551. The reversal of 13122162543 is 34526122131.

It is not a de Polignac number, because 13122162543 - 2² = 13122162539 is a prime.

It is a super-2 number, since 2×13122162543² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13122162543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122162563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3287593 + ... + 3291581.

It is an arithmetic number, because the mean of its divisors is an integer number (628185600).

Almost surely, 2^13122162543 is an apocalyptic number.

13122162543 is a deficient number, since it is larger than the sum of its proper divisors (6979776657).

13122162543 is a wasteful number, since it uses less digits than its factorization.

13122162543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791.

The product of its digits is 8640, while the sum is 30.

Adding to 13122162543 its reverse (34526122131), we get a palindrome (47648284674).

The spelling of 13122162543 in words is "thirteen billion, one hundred twenty-two million, one hundred sixty-two thousand, five hundred forty-three".