12212001012211 has 96 divisors (see below), whose sum is σ = 16664531728896. Its totient is φ = 8689224960000.

The previous prime is 12212001012203. The next prime is 12212001012217. The reversal of 12212001012211 is 11221010021221.

It is not a de Polignac number, because 12212001012211 - 2³ = 12212001012203 is a prime.

It is a super-2 number, since 2×12212001012211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212001012217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1788776580 + ... + 1788783406.

It is an arithmetic number, because the mean of its divisors is an integer number (173588872176).

Almost surely, 2^{12212001012211} is an apocalyptic number.

12212001012211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12212001012211 is a deficient number, since it is larger than the sum of its proper divisors (4452530716685).

12212001012211 is a wasteful number, since it uses less digits than its factorization.

12212001012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212001012211 its reverse (11221010021221), we get a palindrome (23433011033432).

The spelling of 12212001012211 in words is "twelve trillion, two hundred twelve billion, one million, twelve thousand, two hundred eleven".