121303353412 has 12 divisors (see below), whose sum is σ = 221510471616. Its totient is φ = 58014647240.

The previous prime is 121303353397. The next prime is 121303353421. The reversal of 121303353412 is 214353303121.

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, 659257264 + ... + 659257447.

It is an arithmetic number, because the mean of its divisors is an integer number (18459205968).

Almost surely, 2^121303353412 is an apocalyptic number.

It is an amenable number.

121303353412 is a deficient number, since it is larger than the sum of its proper divisors (100207118204).

121303353412 is a wasteful number, since it uses less digits than its factorization.

121303353412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318514738 (or 1318514736 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 121303353412 its reverse (214353303121), we get a palindrome (335656656533).

The spelling of 121303353412 in words is "one hundred twenty-one billion, three hundred three million, three hundred fifty-three thousand, four hundred twelve".