121224141112 has 16 divisors (see below), whose sum is σ = 227299938840. Its totient is φ = 60610824096.

The previous prime is 121224141091. The next prime is 121224141133. The reversal of 121224141112 is 211141422121.

It is an interprime number because it is at equal distance from previous prime (121224141091) and next prime (121224141133).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356683 + ... + 608005.

Almost surely, 2^121224141112 is an apocalyptic number.

It is an amenable number.

121224141112 is a deficient number, since it is larger than the sum of its proper divisors (106075797728).

121224141112 is a wasteful number, since it uses less digits than its factorization.

121224141112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311622 (or 311618 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

Adding to 121224141112 its reverse (211141422121), we get a palindrome (332365563233).

The spelling of 121224141112 in words is "one hundred twenty-one billion, two hundred twenty-four million, one hundred forty-one thousand, one hundred twelve".