12021232302 has 128 divisors (see below), whose sum is σ = 28631024640. Its totient is φ = 3730320000.

The previous prime is 12021232273. The next prime is 12021232313. The reversal of 12021232302 is 20323212021.

12021232302 is a `hidden beast` number, since 120 + 212 + 32 + 302 = 666.

12021232302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7651177 + ... + 7652747.

It is an arithmetic number, because the mean of its divisors is an integer number (223679880).

Almost surely, 2^12021232302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021232302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14315512320).

12021232302 is an abundant number, since it is smaller than the sum of its proper divisors (16609792338).

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

12021232302 is a wasteful number, since it uses less digits than its factorization.

12021232302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12021232302 its reverse (20323212021), we get a palindrome (32344444323).

The spelling of 12021232302 in words is "twelve billion, twenty-one million, two hundred thirty-two thousand, three hundred two".