12012211210 has 16 divisors (see below), whose sum is σ = 21717235296. Its totient is φ = 4783716688.

The previous prime is 12012211199. The next prime is 12012211229. The reversal of 12012211210 is 1211221021.

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, 2643592 + ... + 2648131.

It is an arithmetic number, because the mean of its divisors is an integer number (1357327206).

Almost surely, 2^12012211210 is an apocalyptic number.

12012211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012211210 is a deficient number, since it is larger than the sum of its proper divisors (9705024086).

12012211210 is a wasteful number, since it uses less digits than its factorization.

12012211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291957.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012211210 its reverse (1211221021), we get a palindrome (13223432231).

The spelling of 12012211210 in words is "twelve billion, twelve million, two hundred eleven thousand, two hundred ten".