12203231616 has 48 divisors (see below), whose sum is σ = 35116073460. Its totient is φ = 4067743488.

The previous prime is 12203231611. The next prime is 12203231629. The reversal of 12203231616 is 61613230221.

12203231616 is a `hidden beast` number, since 1 + 2 + 20 + 3 + 23 + 1 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 12203231616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203231611) 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, 5295390 + ... + 5297693.

Almost surely, 2^12203231616 is an apocalyptic number.

12203231616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12203231616 is an abundant number, since it is smaller than the sum of its proper divisors (22912841844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12203231616 is a wasteful number, since it uses less digits than its factorization.

12203231616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593103 (or 10593088 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 12203231616 its reverse (61613230221), we get a palindrome (73816461837).

The spelling of 12203231616 in words is "twelve billion, two hundred three million, two hundred thirty-one thousand, six hundred sixteen".