121434124312 has 16 divisors (see below), whose sum is σ = 227692935360. Its totient is φ = 60716008224.

The previous prime is 121434124297. The next prime is 121434124321. The reversal of 121434124312 is 213421434121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591498 + ... + 769894.

It is an arithmetic number, because the mean of its divisors is an integer number (14230808460).

Almost surely, 2^121434124312 is an apocalyptic number.

It is an amenable number.

121434124312 is a deficient number, since it is larger than the sum of its proper divisors (106258811048).

121434124312 is a wasteful number, since it uses less digits than its factorization.

121434124312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263490 (or 263486 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 121434124312 its reverse (213421434121), we get a palindrome (334855558433).

The spelling of 121434124312 in words is "one hundred twenty-one billion, four hundred thirty-four million, one hundred twenty-four thousand, three hundred twelve".