1213522153352 has 32 divisors (see below), whose sum is σ = 2311828672320. Its totient is φ = 597109617600.

The previous prime is 1213522153351. The next prime is 1213522153367. The reversal of 1213522153352 is 2533512253121.

It is not an unprimeable number, because it can be changed into a prime (1213522153351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4565003 + ... + 4823514.

It is an arithmetic number, because the mean of its divisors is an integer number (72244646010).

Almost surely, 2^{1213522153352} is an apocalyptic number.

It is an amenable number.

1213522153352 is a deficient number, since it is larger than the sum of its proper divisors (1098306518968).

1213522153352 is a wasteful number, since it uses less digits than its factorization.

1213522153352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9388781 (or 9388777 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The spelling of 1213522153352 in words is "one trillion, two hundred thirteen billion, five hundred twenty-two million, one hundred fifty-three thousand, three hundred fifty-two".