121213330044 has 48 divisors (see below), whose sum is σ = 289893478560. Its totient is φ = 39396648960.

The previous prime is 121213330033. The next prime is 121213330057. The reversal of 121213330044 is 440033312121.

It is a happy number.

121213330044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121213329996 and 121213330023.

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 15 ways as a sum of consecutive naturals, for example, 811332 + ... + 949044.

It is an arithmetic number, because the mean of its divisors is an integer number (6039447470).

Almost surely, 2^121213330044 is an apocalyptic number.

It is an amenable number.

121213330044 is an abundant number, since it is smaller than the sum of its proper divisors (168680148516).

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

121213330044 is a wasteful number, since it uses less digits than its factorization.

121213330044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139550 (or 139548 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121213330044 its reverse (440033312121), we get a palindrome (561246642165).

The spelling of 121213330044 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred thirty thousand, forty-four".