12121332203211 has 64 divisors (see below), whose sum is σ = 20506740572160. Its totient is φ = 6185396655360.

The previous prime is 12121332203179. The next prime is 12121332203251. The reversal of 12121332203211 is 11230223312121.

It is not a de Polignac number, because 12121332203211 - 2⁵ = 12121332203179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121332203251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17750575 + ... + 18420791.

It is an arithmetic number, because the mean of its divisors is an integer number (320417821440).

Almost surely, 2^{12121332203211} is an apocalyptic number.

12121332203211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12121332203211 is a deficient number, since it is larger than the sum of its proper divisors (8385408368949).

12121332203211 is a wasteful number, since it uses less digits than its factorization.

12121332203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671624.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12121332203211 its reverse (11230223312121), we get a palindrome (23351555515332).

The spelling of 12121332203211 in words is "twelve trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred three thousand, two hundred eleven".