12001111210 has 16 divisors (see below), whose sum is σ = 23565818592. Its totient is φ = 4364040400.

The previous prime is 12001111201. The next prime is 12001111211. The reversal of 12001111210 is 1211110021.

12001111210 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 (10).

It is not an unprimeable number, because it can be changed into a prime (12001111211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54550396 + ... + 54550615.

It is an arithmetic number, because the mean of its divisors is an integer number (1472863662).

Almost surely, 2^12001111210 is an apocalyptic number.

12001111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001111210 is a deficient number, since it is larger than the sum of its proper divisors (11564707382).

12001111210 is a wasteful number, since it uses less digits than its factorization.

12001111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109101029.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12001111210 its reverse (1211110021), we get a palindrome (13212221231).

The spelling of 12001111210 in words is "twelve billion, one million, one hundred eleven thousand, two hundred ten".