12221003503552 has 14 divisors (see below), whose sum is σ = 24251053827488. Its totient is φ = 6110501751744.

The previous prime is 12221003503517. The next prime is 12221003503573. The reversal of 12221003503552 is 25530530012221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95476589808 + ... + 95476589935.

Almost surely, 2^{12221003503552} is an apocalyptic number.

It is an amenable number.

12221003503552 is a deficient number, since it is larger than the sum of its proper divisors (12030050323936).

12221003503552 is an equidigital number, since it uses as much as digits as its factorization.

12221003503552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190953179755 (or 190953179745 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 12221003503552 its reverse (25530530012221), we get a palindrome (37751533515773).

The spelling of 12221003503552 in words is "twelve trillion, two hundred twenty-one billion, three million, five hundred three thousand, five hundred fifty-two".