12123133022 has 72 divisors (see below), whose sum is σ = 25040406888. Its totient is φ = 4359912480.

The previous prime is 12123133003. The next prime is 12123133031. The reversal of 12123133022 is 22033132121.

It is a junction number, because it is equal to n+sod(n) for n = 12123132985 and 12123133003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 114833 + ... + 193475.

It is an arithmetic number, because the mean of its divisors is an integer number (347783429).

Almost surely, 2^12123133022 is an apocalyptic number.

12123133022 is an abundant number, since it is smaller than the sum of its proper divisors (12917273866).

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

12123133022 is a wasteful number, since it uses less digits than its factorization.

12123133022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78694 (or 78676 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12123133022 its reverse (22033132121), we get a palindrome (34156265143).

Subtracting 12123133022 from its reverse (22033132121), we obtain a palindrome (9909999099).

The spelling of 12123133022 in words is "twelve billion, one hundred twenty-three million, one hundred thirty-three thousand, twenty-two".