12123233320 has 64 divisors (see below), whose sum is σ = 29768912640. Its totient is φ = 4406688000.

The previous prime is 12123233257. The next prime is 12123233359. The reversal of 12123233320 is 2333232121.

It is a super-2 number, since 2×12123233320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12123233291 and 12123233300.

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, 1691745 + ... + 1698895.

It is an arithmetic number, because the mean of its divisors is an integer number (465139260).

Almost surely, 2^12123233320 is an apocalyptic number.

12123233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12123233320 is an abundant number, since it is smaller than the sum of its proper divisors (17645679320).

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

12123233320 is a wasteful number, since it uses less digits than its factorization.

12123233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026 (or 11022 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12123233320 its reverse (2333232121), we get a palindrome (14456465441).

The spelling of 12123233320 in words is "twelve billion, one hundred twenty-three million, two hundred thirty-three thousand, three hundred twenty".