13122111234 has 16 divisors (see below), whose sum is σ = 26285045472. Its totient is φ = 4367233248.

The previous prime is 13122111229. The next prime is 13122111239. The reversal of 13122111234 is 43211122131.

It is an interprime number because it is at equal distance from previous prime (13122111229) and next prime (13122111239).

It is a self number, because there is not a number n which added to its sum of digits gives 13122111234.

It is not an unprimeable number, because it can be changed into a prime (13122111239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696779 + ... + 1704494.

It is an arithmetic number, because the mean of its divisors is an integer number (1642815342).

Almost surely, 2^13122111234 is an apocalyptic number.

13122111234 is an abundant number, since it is smaller than the sum of its proper divisors (13162934238).

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

13122111234 is a wasteful number, since it uses less digits than its factorization.

13122111234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401921.

The product of its digits is 288, while the sum is 21.

Adding to 13122111234 its reverse (43211122131), we get a palindrome (56333233365).

The spelling of 13122111234 in words is "thirteen billion, one hundred twenty-two million, one hundred eleven thousand, two hundred thirty-four".