13202231220550 has 12 divisors (see below), whose sum is σ = 24556150070316. Its totient is φ = 5280892488200.

The previous prime is 13202231220533. The next prime is 13202231220553. The reversal of 13202231220550 is 5502213220231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202231220553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132022312156 + ... + 132022312255.

It is an arithmetic number, because the mean of its divisors is an integer number (2046345839193).

Almost surely, 2^{13202231220550} is an apocalyptic number.

13202231220550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13202231220550 is a deficient number, since it is larger than the sum of its proper divisors (11353918849766).

13202231220550 is a wasteful number, since it uses less digits than its factorization.

13202231220550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264044624423 (or 264044624418 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13202231220550 its reverse (5502213220231), we get a palindrome (18704444440781).

The spelling of 13202231220550 in words is "thirteen trillion, two hundred two billion, two hundred thirty-one million, two hundred twenty thousand, five hundred fifty".