12322002132 has 72 divisors (see below), whose sum is σ = 35767236960. Its totient is φ = 3537414720.

The previous prime is 12322002107. The next prime is 12322002137. The reversal of 12322002132 is 23120022321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322002137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811323 + ... + 826370.

It is an arithmetic number, because the mean of its divisors is an integer number (496767180).

Almost surely, 2^12322002132 is an apocalyptic number.

12322002132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12322002132 is an abundant number, since it is smaller than the sum of its proper divisors (23445234828).

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

12322002132 is a wasteful number, since it uses less digits than its factorization.

12322002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637733 (or 1637728 counting only the distinct ones).

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

Adding to 12322002132 its reverse (23120022321), we get a palindrome (35442024453).

The spelling of 12322002132 in words is "twelve billion, three hundred twenty-two million, two thousand, one hundred thirty-two".