123313131412 has 24 divisors (see below), whose sum is σ = 218106883904. Its totient is φ = 60997370112.

The previous prime is 123313131407. The next prime is 123313131427. The reversal of 123313131412 is 214131313321.

It is a super-2 number, since 2×123313131412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967003 + ... + 1087069.

Almost surely, 2^123313131412 is an apocalyptic number.

It is an amenable number.

123313131412 is a deficient number, since it is larger than the sum of its proper divisors (94793752492).

123313131412 is a wasteful number, since it uses less digits than its factorization.

123313131412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122815 (or 122813 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 123313131412 its reverse (214131313321), we get a palindrome (337444444733).

The spelling of 123313131412 in words is "one hundred twenty-three billion, three hundred thirteen million, one hundred thirty-one thousand, four hundred twelve".