121676211404 has 72 divisors (see below), whose sum is σ = 236876475024. Its totient is φ = 54641664000.

The previous prime is 121676211389. The next prime is 121676211407. The reversal of 121676211404 is 404112676121.

It is not an unprimeable number, because it can be changed into a prime (121676211407) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 31594079 + ... + 31597929.

It is an arithmetic number, because the mean of its divisors is an integer number (3289951042).

Almost surely, 2^121676211404 is an apocalyptic number.

It is an amenable number.

121676211404 is a deficient number, since it is larger than the sum of its proper divisors (115200263620).

121676211404 is a wasteful number, since it uses less digits than its factorization.

121676211404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647 (or 4634 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

Adding to 121676211404 its reverse (404112676121), we get a palindrome (525788887525).

The spelling of 121676211404 in words is "one hundred twenty-one billion, six hundred seventy-six million, two hundred eleven thousand, four hundred four".