12123011120 has 80 divisors (see below), whose sum is σ = 32085303552. Its totient is φ = 4216692480.

The previous prime is 12123011081. The next prime is 12123011167. The reversal of 12123011120 is 2111032121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 12123011095 and 12123011104.

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, 279242 + ... + 319721.

Almost surely, 2^12123011120 is an apocalyptic number.

12123011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12123011120 is an abundant number, since it is smaller than the sum of its proper divisors (19962292432).

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

12123011120 is a wasteful number, since it uses less digits than its factorization.

12123011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599010 (or 599004 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12123011120 its reverse (2111032121), we get a palindrome (14234043241).

The spelling of 12123011120 in words is "twelve billion, one hundred twenty-three million, eleven thousand, one hundred twenty".