12020210330 has 16 divisors (see below), whose sum is σ = 21640071240. Its totient is φ = 4807263552.

The previous prime is 12020210317. The next prime is 12020210353. The reversal of 12020210330 is 3301202021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8573463649 + 3446746681 = 92593^2 + 58709^2 .

It is a Curzon 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, 39185 + ... + 159924.

Almost surely, 2^12020210330 is an apocalyptic number.

12020210330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020210330 is a deficient number, since it is larger than the sum of its proper divisors (9619860910).

12020210330 is a wasteful number, since it uses less digits than its factorization.

12020210330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205153.

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

Adding to 12020210330 its reverse (3301202021), we get a palindrome (15321412351).

The spelling of 12020210330 in words is "twelve billion, twenty million, two hundred ten thousand, three hundred thirty".