12213332221232 has 60 divisors (see below), whose sum is σ = 24060604007160. Its totient is φ = 6005197006848.

The previous prime is 12213332221117. The next prime is 12213332221291. The reversal of 12213332221232 is 23212223331221.

It is a junction number, because it is equal to n+sod(n) for n = 12213332221195 and 12213332221204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38095619 + ... + 38414877.

It is an arithmetic number, because the mean of its divisors is an integer number (401010066786).

Almost surely, 2^{12213332221232} is an apocalyptic number.

It is an amenable number.

12213332221232 is a deficient number, since it is larger than the sum of its proper divisors (11847271785928).

12213332221232 is an equidigital number, since it uses as much as digits as its factorization.

12213332221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319678 (or 319515 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 12213332221232 its reverse (23212223331221), we get a palindrome (35425555552453).

The spelling of 12213332221232 in words is "twelve trillion, two hundred thirteen billion, three hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-two".