12001211330 has 16 divisors (see below), whose sum is σ = 21793352184. Its totient is φ = 4758001920.

The previous prime is 12001211323. The next prime is 12001211333. The reversal of 12001211330 is 3311210021.

It can be written as a sum of positive squares in 4 ways, for example, as 3882660721 + 8118550609 = 62311^2 + 90103^2 .

It is not an unprimeable number, because it can be changed into a prime (12001211333) 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 7 ways as a sum of consecutive naturals, for example, 5309141 + ... + 5311400.

Almost surely, 2^12001211330 is an apocalyptic number.

12001211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001211330 is a deficient number, since it is larger than the sum of its proper divisors (9792140854).

12001211330 is a wasteful number, since it uses less digits than its factorization.

12001211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620661.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12001211330 its reverse (3311210021), we get a palindrome (15312421351).

The spelling of 12001211330 in words is "twelve billion, one million, two hundred eleven thousand, three hundred thirty".