12100121210 has 8 divisors (see below), whose sum is σ = 21780218196. Its totient is φ = 4840048480.

The previous prime is 12100121197. The next prime is 12100121213. The reversal of 12100121210 is 1212100121.

12100121210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11961140689 + 138980521 = 109367^2 + 11789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12100121191 and 12100121200.

It is not an unprimeable number, because it can be changed into a prime (12100121213) 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 3 ways as a sum of consecutive naturals, for example, 605006051 + ... + 605006070.

Almost surely, 2^12100121210 is an apocalyptic number.

12100121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100121210 is a deficient number, since it is larger than the sum of its proper divisors (9680096986).

12100121210 is a wasteful number, since it uses less digits than its factorization.

12100121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210012128.

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

Adding to 12100121210 its reverse (1212100121), we get a palindrome (13312221331).

The spelling of 12100121210 in words is "twelve billion, one hundred million, one hundred twenty-one thousand, two hundred ten".