12121211200211 has 8 divisors (see below), whose sum is σ = 12307460481360. Its totient is φ = 11936326383072.

The previous prime is 12121211200187. The next prime is 12121211200243. The reversal of 12121211200211 is 11200211212121.

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 12121211200211 - 2²² = 12121207005907 is a prime.

It is a super-2 number, since 2×12121211200211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12121211200211.

It is not an unprimeable number, because it can be changed into a prime (12121211200271) 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, 341098100 + ... + 341133633.

It is an arithmetic number, because the mean of its divisors is an integer number (1538432560170).

Almost surely, 2^{12121211200211} is an apocalyptic number.

12121211200211 is a deficient number, since it is larger than the sum of its proper divisors (186249281149).

12121211200211 is a wasteful number, since it uses less digits than its factorization.

12121211200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682232005.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12121211200211 its reverse (11200211212121), we get a palindrome (23321422412332).

The spelling of 12121211200211 in words is "twelve trillion, one hundred twenty-one billion, two hundred eleven million, two hundred thousand, two hundred eleven".