12001333020 has 24 divisors (see below), whose sum is σ = 33603732624. Its totient is φ = 3200355456.

The previous prime is 12001332983. The next prime is 12001333121. The reversal of 12001333020 is 2033310021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100011049 + ... + 100011168.

It is an arithmetic number, because the mean of its divisors is an integer number (1400155526).

Almost surely, 2^12001333020 is an apocalyptic number.

12001333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001333020 is an abundant number, since it is smaller than the sum of its proper divisors (21602399604).

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

12001333020 is a wasteful number, since it uses less digits than its factorization.

12001333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200022229 (or 200022227 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12001333020 its reverse (2033310021), we get a palindrome (14034643041).

The spelling of 12001333020 in words is "twelve billion, one million, three hundred thirty-three thousand, twenty".