12000003020 has 24 divisors (see below), whose sum is σ = 25214910000. Its totient is φ = 4797162432.

The previous prime is 12000003013. The next prime is 12000003053. The reversal of 12000003020 is 2030000021.

It is a junction number, because it is equal to n+sod(n) for n = 12000002989 and 12000003007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142595 + ... + 210554.

It is an arithmetic number, because the mean of its divisors is an integer number (1050621250).

Almost surely, 2^12000003020 is an apocalyptic number.

12000003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000003020 is an abundant number, since it is smaller than the sum of its proper divisors (13214906980).

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

12000003020 is a wasteful number, since it uses less digits than its factorization.

12000003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354857 (or 354855 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 12000003020 its reverse (2030000021), we get a palindrome (14030003041).

The spelling of 12000003020 in words is "twelve billion, three thousand, twenty".