12123031 has 8 divisors (see below), whose sum is σ = 12287520. Its totient is φ = 11959968.

The previous prime is 12123029. The next prime is 12123053. The reversal of 12123031 is 13032121.

12123031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12123031 - 2¹ = 12123029 is a prime.

It is a super-2 number, since 2×12123031² = 293935761253922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38085 + ... + 38401.

It is an arithmetic number, because the mean of its divisors is an integer number (1535940).

Almost surely, 2^12123031 is an apocalyptic number.

12123031 is a deficient number, since it is larger than the sum of its proper divisors (164489).

12123031 is a wasteful number, since it uses less digits than its factorization.

12123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12123031 is about 3481.8143258939. The cubic root of 12123031 is about 229.7226082450.

Adding to 12123031 its reverse (13032121), we get a palindrome (25155152).

The spelling of 12123031 in words is "twelve million, one hundred twenty-three thousand, thirty-one".