12141321212 has 12 divisors (see below), whose sum is σ = 21442242360. Its totient is φ = 6014966256.

The previous prime is 12141321197. The next prime is 12141321331. The reversal of 12141321212 is 21212314121.

It is a super-2 number, since 2×12141321212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13923098 + ... + 13923969.

It is an arithmetic number, because the mean of its divisors is an integer number (1786853530).

Almost surely, 2^12141321212 is an apocalyptic number.

It is an amenable number.

12141321212 is a deficient number, since it is larger than the sum of its proper divisors (9300921148).

12141321212 is a wasteful number, since it uses less digits than its factorization.

12141321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27847180 (or 27847178 counting only the distinct ones).

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

Adding to 12141321212 its reverse (21212314121), we get a palindrome (33353635333).

The spelling of 12141321212 in words is "twelve billion, one hundred forty-one million, three hundred twenty-one thousand, two hundred twelve".