12123035031 has 16 divisors (see below), whose sum is σ = 16302034944. Its totient is φ = 8013285984.

The previous prime is 12123035027. The next prime is 12123035033. The reversal of 12123035031 is 13053032121.

It is not a de Polignac number, because 12123035031 - 2² = 12123035027 is a prime.

It is a super-2 number, since 2×12123035031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12123034989 and 12123035007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123035033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158650 + ... + 222296.

It is an arithmetic number, because the mean of its divisors is an integer number (1018877184).

Almost surely, 2^12123035031 is an apocalyptic number.

12123035031 is a deficient number, since it is larger than the sum of its proper divisors (4178999913).

12123035031 is a wasteful number, since it uses less digits than its factorization.

12123035031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64190.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 12123035031 its reverse (13053032121), we get a palindrome (25176067152).

The spelling of 12123035031 in words is "twelve billion, one hundred twenty-three million, thirty-five thousand, thirty-one".