12003012620 has 12 divisors (see below), whose sum is σ = 25206326544. Its totient is φ = 4801205040.

The previous prime is 12003012613. The next prime is 12003012629. The reversal of 12003012620 is 2621030021.

12003012620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12003012629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300075296 + ... + 300075335.

It is an arithmetic number, because the mean of its divisors is an integer number (2100527212).

Almost surely, 2^12003012620 is an apocalyptic number.

12003012620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003012620 is an abundant number, since it is smaller than the sum of its proper divisors (13203313924).

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

12003012620 is a wasteful number, since it uses less digits than its factorization.

12003012620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600150640 (or 600150638 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12003012620 its reverse (2621030021), we get a palindrome (14624042641).

The spelling of 12003012620 in words is "twelve billion, three million, twelve thousand, six hundred twenty".