122432443445421 has 8 divisors (see below), whose sum is σ = 181381397696960. Its totient is φ = 81621628963596.

The previous prime is 122432443445407. The next prime is 122432443445441. The reversal of 122432443445421 is 124544344234221.

122432443445421 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 3 + 24 + 43 + 44 + 542 + 1 = 666.

122432443445421 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 122432443445421 - 2¹³ = 122432443437229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122432443445441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267267471185 + ... + 2267267471238.

It is an arithmetic number, because the mean of its divisors is an integer number (22672674712120).

Almost surely, 2^{122432443445421} is an apocalyptic number.

It is an amenable number.

122432443445421 is a deficient number, since it is larger than the sum of its proper divisors (58948954251539).

122432443445421 is an equidigital number, since it uses as much as digits as its factorization.

122432443445421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534534942432 (or 4534534942426 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 45.

Adding to 122432443445421 its reverse (124544344234221), we get a palindrome (246976787679642).

The spelling of 122432443445421 in words is "one hundred twenty-two trillion, four hundred thirty-two billion, four hundred forty-three million, four hundred forty-five thousand, four hundred twenty-one".