12102031 has 8 divisors (see below), whose sum is σ = 12823280. Its totient is φ = 11389248.

The previous prime is 12102029. The next prime is 12102043. The reversal of 12102031 is 13020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102031 - 2¹ = 12102029 is a prime.

It is a super-2 number, since 2×12102031² = 292918308649922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101999 and 12102017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102001) 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, 955 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (1602910).

Almost surely, 2^12102031 is an apocalyptic number.

12102031 is a deficient number, since it is larger than the sum of its proper divisors (721249).

12102031 is a wasteful number, since it uses less digits than its factorization.

12102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12102031 is about 3478.7973496598. The cubic root of 12102031 is about 229.5898866783.

Adding to 12102031 its reverse (13020121), we get a palindrome (25122152).

The spelling of 12102031 in words is "twelve million, one hundred two thousand, thirty-one".