12123034111 has 8 divisors (see below), whose sum is σ = 12547828800. Its totient is φ = 11698690080.

The previous prime is 12123034093. The next prime is 12123034171. The reversal of 12123034111 is 11143032121.

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 12123034111 - 2⁷ = 12123033983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123034171) 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, 57456 + ... + 165973.

It is an arithmetic number, because the mean of its divisors is an integer number (1568478600).

Almost surely, 2^12123034111 is an apocalyptic number.

12123034111 is a deficient number, since it is larger than the sum of its proper divisors (424794689).

12123034111 is a wasteful number, since it uses less digits than its factorization.

12123034111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225329.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12123034111 its reverse (11143032121), we get a palindrome (23266066232).

The spelling of 12123034111 in words is "twelve billion, one hundred twenty-three million, thirty-four thousand, one hundred eleven".