122012555450 has 12 divisors (see below), whose sum is σ = 226943353230. Its totient is φ = 48805022160.

The previous prime is 122012555419. The next prime is 122012555453. The reversal of 122012555450 is 54555210221.

It is a happy number.

122012555450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 83359815841 + 38652739609 = 288721^2 + 196603^2 .

It is not an unprimeable number, because it can be changed into a prime (122012555453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1220125505 + ... + 1220125604.

Almost surely, 2^122012555450 is an apocalyptic number.

122012555450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122012555450 is a deficient number, since it is larger than the sum of its proper divisors (104930797780).

122012555450 is a wasteful number, since it uses less digits than its factorization.

122012555450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440251121 (or 2440251116 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 122012555450 its reverse (54555210221), we get a palindrome (176567765671).

The spelling of 122012555450 in words is "one hundred twenty-two billion, twelve million, five hundred fifty-five thousand, four hundred fifty".