121404302344 has 48 divisors (see below), whose sum is σ = 256265232300. Its totient is φ = 53596523904.

The previous prime is 121404302323. The next prime is 121404302353. The reversal of 121404302344 is 443203404121.

It can be written as a sum of positive squares in 2 ways, for example, as 97700004900 + 23704297444 = 312570^2 + 153962^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048339 + ... + 1158370.

Almost surely, 2^121404302344 is an apocalyptic number.

It is an amenable number.

121404302344 is an abundant number, since it is smaller than the sum of its proper divisors (134860929956).

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

121404302344 is a wasteful number, since it uses less digits than its factorization.

121404302344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206774 (or 2206747 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 121404302344 its reverse (443203404121), we get a palindrome (564607706465).

The spelling of 121404302344 in words is "one hundred twenty-one billion, four hundred four million, three hundred two thousand, three hundred forty-four".