12211211031232 has 56 divisors (see below), whose sum is σ = 24244525243136. Its totient is φ = 6102355408128.

The previous prime is 12211211031223. The next prime is 12211211031317. The reversal of 12211211031232 is 23213011211221.

It is a happy number.

It is a super-2 number, since 2×12211211031232² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588549693 + ... + 1588557379.

Almost surely, 2^{12211211031232} is an apocalyptic number.

It is an amenable number.

12211211031232 is a deficient number, since it is larger than the sum of its proper divisors (12033314211904).

12211211031232 is an equidigital number, since it uses as much as digits as its factorization.

12211211031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17685 (or 17675 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12211211031232 its reverse (23213011211221), we get a palindrome (35424222242453).

The spelling of 12211211031232 in words is "twelve trillion, two hundred eleven billion, two hundred eleven million, thirty-one thousand, two hundred thirty-two".