12230202550 has 12 divisors (see below), whose sum is σ = 22748176836. Its totient is φ = 4892081000.

The previous prime is 12230202547. The next prime is 12230202557. The reversal of 12230202550 is 5520203221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230202557) 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, 122301976 + ... + 122302075.

It is an arithmetic number, because the mean of its divisors is an integer number (1895681403).

Almost surely, 2^12230202550 is an apocalyptic number.

12230202550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12230202550 is a deficient number, since it is larger than the sum of its proper divisors (10517974286).

12230202550 is a wasteful number, since it uses less digits than its factorization.

12230202550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244604063 (or 244604058 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 12230202550 its reverse (5520203221), we get a palindrome (17750405771).

The spelling of 12230202550 in words is "twelve billion, two hundred thirty million, two hundred two thousand, five hundred fifty".