121330412 has 24 divisors (see below), whose sum is σ = 245736960. Its totient is φ = 51339600.

The previous prime is 121330397. The next prime is 121330423. The reversal of 121330412 is 214033121.

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, 25214 + ... + 29637.

It is an arithmetic number, because the mean of its divisors is an integer number (10239040).

Almost surely, 2^121330412 is an apocalyptic number.

It is an amenable number.

121330412 is an abundant number, since it is smaller than the sum of its proper divisors (124406548).

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

121330412 is a wasteful number, since it uses less digits than its factorization.

121330412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54941 (or 54939 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121330412 is about 11015.0084884216. The cubic root of 121330412 is about 495.0585408437.

Adding to 121330412 its reverse (214033121), we get a palindrome (335363533).

The spelling of 121330412 in words is "one hundred twenty-one million, three hundred thirty thousand, four hundred twelve".