12003030221000 has 128 divisors (see below), whose sum is σ = 34568727298560. Its totient is φ = 3798761184000.

The previous prime is 12003030220957. The next prime is 12003030221009. The reversal of 12003030221000 is 12203030021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12003030221009) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 65859716 + ... + 66041715.

It is an arithmetic number, because the mean of its divisors is an integer number (270068182020).

Almost surely, 2^{12003030221000} is an apocalyptic number.

12003030221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003030221000 is an abundant number, since it is smaller than the sum of its proper divisors (22565697077560).

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

12003030221000 is a wasteful number, since it uses less digits than its factorization.

12003030221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131901472 (or 131901458 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12003030221000 its reverse (12203030021), we get a palindrome (12015233251021).

The spelling of 12003030221000 in words is "twelve trillion, three billion, thirty million, two hundred twenty-one thousand".