121441040212 has 24 divisors (see below), whose sum is σ = 219227236704. Its totient is φ = 58819146912.

The previous prime is 121441040207. The next prime is 121441040293. The reversal of 121441040212 is 212040144121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773778 + ... + 1840969.

It is an arithmetic number, because the mean of its divisors is an integer number (9134468196).

Almost surely, 2^121441040212 is an apocalyptic number.

It is an amenable number.

121441040212 is a deficient number, since it is larger than the sum of its proper divisors (97786196492).

121441040212 is a wasteful number, since it uses less digits than its factorization.

121441040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615015 (or 3615013 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121441040212 its reverse (212040144121), we get a palindrome (333481184333).

The spelling of 121441040212 in words is "one hundred twenty-one billion, four hundred forty-one million, forty thousand, two hundred twelve".