12212021012211 has 12 divisors (see below), whose sum is σ = 17717293336392. Its totient is φ = 8105482373856.

The previous prime is 12212021012207. The next prime is 12212021012249. The reversal of 12212021012211 is 11221012021221.

12212021012211 is a `hidden beast` number, since 1 + 221 + 20 + 210 + 1 + 2 + 211 = 666.

It is not a de Polignac number, because 12212021012211 - 2² = 12212021012207 is a prime.

It is a super-2 number, since 2×12212021012211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212021012011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2988745146 + ... + 2988749231.

It is an arithmetic number, because the mean of its divisors is an integer number (1476441111366).

Almost surely, 2^{12212021012211} is an apocalyptic number.

12212021012211 is a deficient number, since it is larger than the sum of its proper divisors (5505272324181).

12212021012211 is a wasteful number, since it uses less digits than its factorization.

12212021012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977494610 (or 5977494607 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212021012211 its reverse (11221012021221), we get a palindrome (23433033033432).

The spelling of 12212021012211 in words is "twelve trillion, two hundred twelve billion, twenty-one million, twelve thousand, two hundred eleven".