12120330012 has 48 divisors (see below), whose sum is σ = 32327323392. Its totient is φ = 3462261120.

The previous prime is 12120330011. The next prime is 12120330023. The reversal of 12120330012 is 21003302121.

It is a junction number, because it is equal to n+sod(n) for n = 12120329973 and 12120330000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120330011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532587 + ... + 554877.

It is an arithmetic number, because the mean of its divisors is an integer number (673485904).

Almost surely, 2^12120330012 is an apocalyptic number.

12120330012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120330012 is an abundant number, since it is smaller than the sum of its proper divisors (20206993380).

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

12120330012 is a wasteful number, since it uses less digits than its factorization.

12120330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28778 (or 28776 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12120330012 its reverse (21003302121), we get a palindrome (33123632133).

The spelling of 12120330012 in words is "twelve billion, one hundred twenty million, three hundred thirty thousand, twelve".