12021033030 has 144 divisors (see below), whose sum is σ = 32050048464. Its totient is φ = 2884766720.

The previous prime is 12021033023. The next prime is 12021033071. The reversal of 12021033030 is 3033012021.

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 (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4585120 + ... + 4587740.

It is an arithmetic number, because the mean of its divisors is an integer number (222569781).

Almost surely, 2^12021033030 is an apocalyptic number.

12021033030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021033030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16025024232).

12021033030 is an abundant number, since it is smaller than the sum of its proper divisors (20029015434).

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

12021033030 is a wasteful number, since it uses less digits than its factorization.

12021033030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2671 counting only the distinct ones).

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

Adding to 12021033030 its reverse (3033012021), we get a palindrome (15054045051).

The spelling of 12021033030 in words is "twelve billion, twenty-one million, thirty-three thousand, thirty".