12013210120 has 16 divisors (see below), whose sum is σ = 27029722860. Its totient is φ = 4805284032.

The previous prime is 12013210103. The next prime is 12013210141. The reversal of 12013210120 is 2101231021.

It can be written as a sum of positive squares in 2 ways, for example, as 11570444356 + 442765764 = 107566^2 + 21042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12013210120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150165087 + ... + 150165166.

Almost surely, 2^12013210120 is an apocalyptic number.

12013210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013210120 is an abundant number, since it is smaller than the sum of its proper divisors (15016512740).

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

12013210120 is a wasteful number, since it uses less digits than its factorization.

12013210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300330264 (or 300330260 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12013210120 its reverse (2101231021), we get a palindrome (14114441141).

The spelling of 12013210120 in words is "twelve billion, thirteen million, two hundred ten thousand, one hundred twenty".