121230404404 has 24 divisors (see below), whose sum is σ = 222219043200. Its totient is φ = 57759291744.

The previous prime is 121230404387. The next prime is 121230404423. The reversal of 121230404404 is 404404032121.

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, 2480979 + ... + 2529370.

It is an arithmetic number, because the mean of its divisors is an integer number (9259126800).

Almost surely, 2^121230404404 is an apocalyptic number.

It is an amenable number.

121230404404 is a deficient number, since it is larger than the sum of its proper divisors (100988638796).

121230404404 is a wasteful number, since it uses less digits than its factorization.

121230404404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010639 (or 5010637 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 121230404404 its reverse (404404032121), we get a palindrome (525634436525).

The spelling of 121230404404 in words is "one hundred twenty-one billion, two hundred thirty million, four hundred four thousand, four hundred four".