12302223132 has 24 divisors (see below), whose sum is σ = 30215987200. Its totient is φ = 3884912496.

The previous prime is 12302223119. The next prime is 12302223133. The reversal of 12302223132 is 23132220321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12302223099 and 12302223108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302223133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26978332 + ... + 26978787.

Almost surely, 2^12302223132 is an apocalyptic number.

12302223132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12302223132 is an abundant number, since it is smaller than the sum of its proper divisors (17913764068).

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

12302223132 is a wasteful number, since it uses less digits than its factorization.

12302223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53957145 (or 53957143 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12302223132 its reverse (23132220321), we get a palindrome (35434443453).

The spelling of 12302223132 in words is "twelve billion, three hundred two million, two hundred twenty-three thousand, one hundred thirty-two".