12121012110211 has 8 divisors (see below), whose sum is σ = 12138269663520. Its totient is φ = 12103756165248.

The previous prime is 12121012110199. The next prime is 12121012110223. The reversal of 12121012110211 is 11201121012121.

It is an interprime number because it is at equal distance from previous prime (12121012110199) and next prime (12121012110223).

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

It is a cyclic number.

It is not a de Polignac number, because 12121012110211 - 2¹³ = 12121012102019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121012110241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15106395 + ... + 15888523.

It is an arithmetic number, because the mean of its divisors is an integer number (1517283707940).

Almost surely, 2^{12121012110211} is an apocalyptic number.

12121012110211 is a deficient number, since it is larger than the sum of its proper divisors (17257553309).

12121012110211 is an equidigital number, since it uses as much as digits as its factorization.

12121012110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804173.

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

Adding to 12121012110211 its reverse (11201121012121), we get a palindrome (23322133122332).

The spelling of 12121012110211 in words is "twelve trillion, one hundred twenty-one billion, twelve million, one hundred ten thousand, two hundred eleven".