12230022132 has 36 divisors (see below), whose sum is σ = 30918268836. Its totient is φ = 4076213760.

The previous prime is 12230022127. The next prime is 12230022151. The reversal of 12230022132 is 23122003221.

It can be written as a sum of positive squares in 2 ways, for example, as 428241636 + 11801780496 = 20694^2 + 108636^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487332 + ... + 511812.

It is an arithmetic number, because the mean of its divisors is an integer number (858840801).

Almost surely, 2^12230022132 is an apocalyptic number.

12230022132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230022132 is an abundant number, since it is smaller than the sum of its proper divisors (18688246704).

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

12230022132 is a wasteful number, since it uses less digits than its factorization.

12230022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38368 (or 38363 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12230022132 its reverse (23122003221), we get a palindrome (35352025353).

The spelling of 12230022132 in words is "twelve billion, two hundred thirty million, twenty-two thousand, one hundred thirty-two".