12102323031 has 24 divisors (see below), whose sum is σ = 17754987536. Its totient is φ = 7942250880.

The previous prime is 12102322987. The next prime is 12102323053. The reversal of 12102323031 is 13032320121.

It is not a de Polignac number, because 12102323031 - 2²⁵ = 12068768599 is a prime.

It is a super-2 number, since 2×12102323031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102322995 and 12102323013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102323131) 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 23 ways as a sum of consecutive naturals, for example, 326001 + ... + 361221.

Almost surely, 2^12102323031 is an apocalyptic number.

12102323031 is a deficient number, since it is larger than the sum of its proper divisors (5652664505).

12102323031 is a wasteful number, since it uses less digits than its factorization.

12102323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35823 (or 35820 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12102323031 its reverse (13032320121), we get a palindrome (25134643152).

The spelling of 12102323031 in words is "twelve billion, one hundred two million, three hundred twenty-three thousand, thirty-one".