1223552532250 has 32 divisors (see below), whose sum is σ = 2290823301312. Its totient is φ = 489349867600.

The previous prime is 1223552532227. The next prime is 1223552532259. The reversal of 1223552532250 is 522352553221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1223552532259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1384497 + ... + 2089003.

It is an arithmetic number, because the mean of its divisors is an integer number (71588228166).

Almost surely, 2^{1223552532250} is an apocalyptic number.

1223552532250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223552532250 is a deficient number, since it is larger than the sum of its proper divisors (1067270769062).

1223552532250 is an equidigital number, since it uses as much as digits as its factorization.

1223552532250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711471 (or 711461 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 1223552532250 in words is "one trillion, two hundred twenty-three billion, five hundred fifty-two million, five hundred thirty-two thousand, two hundred fifty".