1323310212 has 72 divisors (see below), whose sum is σ = 3876792192. Its totient is φ = 372758400.

The previous prime is 1323310211. The next prime is 1323310349. The reversal of 1323310212 is 2120133231.

It is a super-2 number, since 2×1323310212² = 3502299834366969888, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1323310211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19089 + ... + 54872.

It is an arithmetic number, because the mean of its divisors is an integer number (53844336).

Almost surely, 2^1323310212 is an apocalyptic number.

1323310212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323310212 is an abundant number, since it is smaller than the sum of its proper divisors (2553481980).

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

1323310212 is a wasteful number, since it uses less digits than its factorization.

1323310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74049 (or 74044 counting only the distinct ones).

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

The square root of 1323310212 is about 36377.3310180942. The cubic root of 1323310212 is about 1097.8775083079.

Adding to 1323310212 its reverse (2120133231), we get a palindrome (3443443443).

The spelling of 1323310212 in words is "one billion, three hundred twenty-three million, three hundred ten thousand, two hundred twelve".