12212111324 has 24 divisors (see below), whose sum is σ = 24599944320. Its totient is φ = 5196107376.

The previous prime is 12212111297. The next prime is 12212111333. The reversal of 12212111324 is 42311121221.

It is a junction number, because it is equal to n+sod(n) for n = 12212111296 and 12212111305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564982 + ... + 1572765.

It is an arithmetic number, because the mean of its divisors is an integer number (1024997680).

Almost surely, 2^12212111324 is an apocalyptic number.

12212111324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12212111324 is an abundant number, since it is smaller than the sum of its proper divisors (12387832996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212111324 is a wasteful number, since it uses less digits than its factorization.

12212111324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137897 (or 3137895 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

Adding to 12212111324 its reverse (42311121221), we get a palindrome (54523232545).

The spelling of 12212111324 in words is "twelve billion, two hundred twelve million, one hundred eleven thousand, three hundred twenty-four".