121310224412 has 24 divisors (see below), whose sum is σ = 229116947136. Its totient is φ = 55868395968.

The previous prime is 121310224393. The next prime is 121310224433. The reversal of 121310224412 is 214422013121.

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 7 ways as a sum of consecutive naturals, for example, 2495243 + ... + 2543394.

It is an arithmetic number, because the mean of its divisors is an integer number (9546539464).

Almost surely, 2^121310224412 is an apocalyptic number.

It is an amenable number.

121310224412 is a deficient number, since it is larger than the sum of its proper divisors (107806722724).

121310224412 is a wasteful number, since it uses less digits than its factorization.

121310224412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039117 (or 5039115 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121310224412 its reverse (214422013121), we get a palindrome (335732237533).

The spelling of 121310224412 in words is "one hundred twenty-one billion, three hundred ten million, two hundred twenty-four thousand, four hundred twelve".