1250531221252 has 48 divisors (see below), whose sum is σ = 2236469760000. Its totient is φ = 611646567840.

The previous prime is 1250531221223. The next prime is 1250531221283. The reversal of 1250531221252 is 2521221350521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184141977 + ... + 184148767.

It is an arithmetic number, because the mean of its divisors is an integer number (46593120000).

Almost surely, 2^{1250531221252} is an apocalyptic number.

It is an amenable number.

1250531221252 is a deficient number, since it is larger than the sum of its proper divisors (985938538748).

1250531221252 is a wasteful number, since it uses less digits than its factorization.

1250531221252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576 (or 10574 counting only the distinct ones).

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

Adding to 1250531221252 its reverse (2521221350521), we get a palindrome (3771752571773).

The spelling of 1250531221252 in words is "one trillion, two hundred fifty billion, five hundred thirty-one million, two hundred twenty-one thousand, two hundred fifty-two".