12123411234 has 32 divisors (see below), whose sum is σ = 26454993984. Its totient is φ = 3673217280.

The previous prime is 12123411221. The next prime is 12123411253. The reversal of 12123411234 is 43211432121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821182 + ... + 835814.

It is an arithmetic number, because the mean of its divisors is an integer number (826718562).

Almost surely, 2^12123411234 is an apocalyptic number.

12123411234 is an abundant number, since it is smaller than the sum of its proper divisors (14331582750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123411234 is a wasteful number, since it uses less digits than its factorization.

12123411234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27202.

The product of its digits is 1152, while the sum is 24.

Adding to 12123411234 its reverse (43211432121), we get a palindrome (55334843355).

The spelling of 12123411234 in words is "twelve billion, one hundred twenty-three million, four hundred eleven thousand, two hundred thirty-four".