121214122404 has 24 divisors (see below), whose sum is σ = 284395570368. Its totient is φ = 40181476320.

The previous prime is 121214122363. The next prime is 121214122441. The reversal of 121214122404 is 404221412121.

It is a happy 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, 27901632 + ... + 27905975.

It is an arithmetic number, because the mean of its divisors is an integer number (11849815432).

Almost surely, 2^121214122404 is an apocalyptic number.

It is an amenable number.

121214122404 is an abundant number, since it is smaller than the sum of its proper divisors (163181447964).

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

121214122404 is a wasteful number, since it uses less digits than its factorization.

121214122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55807795 (or 55807793 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 121214122404 its reverse (404221412121), we get a palindrome (525435534525).

The spelling of 121214122404 in words is "one hundred twenty-one billion, two hundred fourteen million, one hundred twenty-two thousand, four hundred four".