1323210132 has 36 divisors (see below), whose sum is σ = 3435184116. Its totient is φ = 429148800.

The previous prime is 1323210121. The next prime is 1323210149. The reversal of 1323210132 is 2310123231.

1323210132 is a `hidden beast` number, since 1 + 323 + 210 + 132 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 481978116 + 841232016 = 21954^2 + 29004^2 .

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495369 + ... + 498032.

It is an arithmetic number, because the mean of its divisors is an integer number (95421781).

Almost surely, 2^1323210132 is an apocalyptic number.

1323210132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323210132 is an abundant number, since it is smaller than the sum of its proper divisors (2111973984).

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

1323210132 is a wasteful number, since it uses less digits than its factorization.

1323210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993448 (or 993443 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1323210132 is about 36375.9554101332. The cubic root of 1323210132 is about 1097.8498306578.

Adding to 1323210132 its reverse (2310123231), we get a palindrome (3633333363).

The spelling of 1323210132 in words is "one billion, three hundred twenty-three million, two hundred ten thousand, one hundred thirty-two".