12000203020 has 48 divisors (see below), whose sum is σ = 27147310848. Its totient is φ = 4429474560.

The previous prime is 12000202999. The next prime is 12000203021. The reversal of 12000203020 is 2030200021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12000202988 and 12000203006.

It is not an unprimeable number, because it can be changed into a prime (12000203021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284165 + ... + 1293475.

It is an arithmetic number, because the mean of its divisors is an integer number (565568976).

Almost surely, 2^12000203020 is an apocalyptic number.

12000203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000203020 is an abundant number, since it is smaller than the sum of its proper divisors (15147107828).

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

12000203020 is a wasteful number, since it uses less digits than its factorization.

12000203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14290 (or 14288 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 12000203020 its reverse (2030200021), we get a palindrome (14030403041).

The spelling of 12000203020 in words is "twelve billion, two hundred three thousand, twenty".