12000111020210 has 24 divisors (see below), whose sum is σ = 21927402767340. Its totient is φ = 4728401936544.

The previous prime is 12000111020179. The next prime is 12000111020251. The reversal of 12000111020210 is 1202011100021.

It can be written as a sum of positive squares in 2 ways, for example, as 11835313182001 + 164797838209 = 3440249^2 + 405953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000111020191 and 12000111020200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133616405 + ... + 133706184.

Almost surely, 2^{12000111020210} is an apocalyptic number.

12000111020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000111020210 is a deficient number, since it is larger than the sum of its proper divisors (9927291747130).

12000111020210 is an equidigital number, since it uses as much as digits as its factorization.

12000111020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267322730 (or 267322663 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12000111020210 its reverse (1202011100021), we get a palindrome (13202122120231).

The spelling of 12000111020210 in words is "twelve trillion, one hundred eleven million, twenty thousand, two hundred ten".