122212351552 has 28 divisors (see below), whose sum is σ = 256780733580. Its totient is φ = 57511694336.

The previous prime is 122212351537. The next prime is 122212351621. The reversal of 122212351552 is 255153212221.

It can be written as a sum of positive squares in 2 ways, for example, as 103983031296 + 18229320256 = 322464^2 + 135016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56162677 + ... + 56164852.

It is an arithmetic number, because the mean of its divisors is an integer number (9170740485).

Almost surely, 2^122212351552 is an apocalyptic number.

It is an amenable number.

122212351552 is an abundant number, since it is smaller than the sum of its proper divisors (134568382028).

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

122212351552 is a wasteful number, since it uses less digits than its factorization.

122212351552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112327558 (or 112327548 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

Adding to 122212351552 its reverse (255153212221), we get a palindrome (377365563773).

The spelling of 122212351552 in words is "one hundred twenty-two billion, two hundred twelve million, three hundred fifty-one thousand, five hundred fifty-two".