122055405452 has 12 divisors (see below), whose sum is σ = 224838904920. Its totient is φ = 57815718336.

The previous prime is 122055405419. The next prime is 122055405463. The reversal of 122055405452 is 254504550221.

It is a super-2 number, since 2×122055405452² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 802996013 + ... + 802996164.

It is an arithmetic number, because the mean of its divisors is an integer number (18736575410).

Almost surely, 2^122055405452 is an apocalyptic number.

It is an amenable number.

122055405452 is a deficient number, since it is larger than the sum of its proper divisors (102783499468).

122055405452 is a wasteful number, since it uses less digits than its factorization.

122055405452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605992200 (or 1605992198 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 122055405452 its reverse (254504550221), we get a palindrome (376559955673).

The spelling of 122055405452 in words is "one hundred twenty-two billion, fifty-five million, four hundred five thousand, four hundred fifty-two".