9212012120211 has 16 divisors (see below), whose sum is σ = 12937584839040. Its totient is φ = 5814312658560.

The previous prime is 9212012120191. The next prime is 9212012120221. The reversal of 9212012120211 is 1120212102129.

It is not a de Polignac number, because 9212012120211 - 2¹¹ = 9212012118163 is a prime.

It is a super-2 number, since 2×9212012120211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9212012120221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52693350 + ... + 52867883.

It is an arithmetic number, because the mean of its divisors is an integer number (808599052440).

Almost surely, 2^{9212012120211} is an apocalyptic number.

9212012120211 is a deficient number, since it is larger than the sum of its proper divisors (3725572718829).

9212012120211 is a wasteful number, since it uses less digits than its factorization.

9212012120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105562786.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 9212012120211 in words is "nine trillion, two hundred twelve billion, twelve million, one hundred twenty thousand, two hundred eleven".