122421431304 has 48 divisors (see below), whose sum is σ = 332933849820. Its totient is φ = 40637813760.

The previous prime is 122421431303. The next prime is 122421431311. The reversal of 122421431304 is 403134124221.

122421431304 is a `hidden beast` number, since 1 + 224 + 2 + 1 + 431 + 3 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 92840871204 + 29580560100 = 304698^2 + 171990^2 .

It is a super-2 number, since 2×122421431304² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122421431303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3510237 + ... + 3544940.

Almost surely, 2^122421431304 is an apocalyptic number.

It is an amenable number.

122421431304 is an abundant number, since it is smaller than the sum of its proper divisors (210512418516).

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

122421431304 is a wasteful number, since it uses less digits than its factorization.

122421431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055430 (or 7055423 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 122421431304 its reverse (403134124221), we get a palindrome (525555555525).

The spelling of 122421431304 in words is "one hundred twenty-two billion, four hundred twenty-one million, four hundred thirty-one thousand, three hundred four".