13124312122 has 4 divisors (see below), whose sum is σ = 19686468186. Its totient is φ = 6562156060.

The previous prime is 13124312087. The next prime is 13124312189. The reversal of 13124312122 is 22121342131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13124222721 + 89401 = 114561^2 + 299^2 .

It is a super-2 number, since 2×13124312122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13124312093 and 13124312102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281078029 + ... + 3281078032.

Almost surely, 2^13124312122 is an apocalyptic number.

13124312122 is a deficient number, since it is larger than the sum of its proper divisors (6562156064).

13124312122 is an equidigital number, since it uses as much as digits as its factorization.

13124312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562156063.

The product of its digits is 576, while the sum is 22.

Adding to 13124312122 its reverse (22121342131), we get a palindrome (35245654253).

The spelling of 13124312122 in words is "thirteen billion, one hundred twenty-four million, three hundred twelve thousand, one hundred twenty-two".