1122212225252 has 6 divisors (see below), whose sum is σ = 1963871394198. Its totient is φ = 561106112624.

The previous prime is 1122212225243. The next prime is 1122212225353. The reversal of 1122212225252 is 2525222122211.

It can be written as a sum of positive squares in only one way, i.e., 1121451348196 + 760877056 = 1058986^2 + 27584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140276528153 + ... + 140276528160.

It is an arithmetic number, because the mean of its divisors is an integer number (327311899033).

Almost surely, 2^{1122212225252} is an apocalyptic number.

It is an amenable number.

1122212225252 is a deficient number, since it is larger than the sum of its proper divisors (841659168946).

1122212225252 is a wasteful number, since it uses less digits than its factorization.

1122212225252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280553056317 (or 280553056315 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

Adding to 1122212225252 its reverse (2525222122211), we get a palindrome (3647434347463).

The spelling of 1122212225252 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-five thousand, two hundred fifty-two".