12001234120 has 16 divisors (see below), whose sum is σ = 27002776860. Its totient is φ = 4800493632.

The previous prime is 12001234117. The next prime is 12001234121. The reversal of 12001234120 is 2143210021.

It can be written as a sum of positive squares in 2 ways, for example, as 11461415364 + 539818756 = 107058^2 + 23234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12001234094 and 12001234103.

It is not an unprimeable number, because it can be changed into a prime (12001234121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150015387 + ... + 150015466.

Almost surely, 2^12001234120 is an apocalyptic number.

12001234120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001234120 is an abundant number, since it is smaller than the sum of its proper divisors (15001542740).

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

12001234120 is a wasteful number, since it uses less digits than its factorization.

12001234120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300030864 (or 300030860 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12001234120 its reverse (2143210021), we get a palindrome (14144444141).

The spelling of 12001234120 in words is "twelve billion, one million, two hundred thirty-four thousand, one hundred twenty".