122235421064 has 16 divisors (see below), whose sum is σ = 229205238300. Its totient is φ = 61114024192.

The previous prime is 122235420961. The next prime is 122235421067. The reversal of 122235421064 is 460124532221.

It can be written as a sum of positive squares in 2 ways, for example, as 122157240100 + 78180964 = 349510^2 + 8842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122235421064.

It is not an unprimeable number, because it can be changed into a prime (122235421067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317237 + ... + 587460.

Almost surely, 2^122235421064 is an apocalyptic number.

It is an amenable number.

122235421064 is a deficient number, since it is larger than the sum of its proper divisors (106969817236).

122235421064 is a wasteful number, since it uses less digits than its factorization.

122235421064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921592 (or 921588 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 122235421064 its reverse (460124532221), we get a palindrome (582359953285).

The spelling of 122235421064 in words is "one hundred twenty-two billion, two hundred thirty-five million, four hundred twenty-one thousand, sixty-four".