1252211224312 has 16 divisors (see below), whose sum is σ = 2349394407360. Its totient is φ = 625706049024.

The previous prime is 1252211224301. The next prime is 1252211224333. The reversal of 1252211224312 is 2134221122521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49932073 + ... + 49957144.

It is an arithmetic number, because the mean of its divisors is an integer number (146837150460).

Almost surely, 2^{1252211224312} is an apocalyptic number.

It is an amenable number.

1252211224312 is a deficient number, since it is larger than the sum of its proper divisors (1097183183048).

1252211224312 is a wasteful number, since it uses less digits than its factorization.

1252211224312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99890790 (or 99890786 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

Adding to 1252211224312 its reverse (2134221122521), we get a palindrome (3386432346833).

The spelling of 1252211224312 in words is "one trillion, two hundred fifty-two billion, two hundred eleven million, two hundred twenty-four thousand, three hundred twelve".