1322310012 has 12 divisors (see below), whose sum is σ = 3085390056. Its totient is φ = 440770000.

The previous prime is 1322309969. The next prime is 1322310023. The reversal of 1322310012 is 2100132231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1322309973 and 1322310000.

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 3 ways as a sum of consecutive naturals, for example, 55096239 + ... + 55096262.

It is an arithmetic number, because the mean of its divisors is an integer number (257115838).

Almost surely, 2^1322310012 is an apocalyptic number.

1322310012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322310012 is an abundant number, since it is smaller than the sum of its proper divisors (1763080044).

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

1322310012 is a wasteful number, since it uses less digits than its factorization.

1322310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110192508 (or 110192506 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1322310012 is about 36363.5808467758. The cubic root of 1322310012 is about 1097.6008349955.

Adding to 1322310012 its reverse (2100132231), we get a palindrome (3422442243).

The spelling of 1322310012 in words is "one billion, three hundred twenty-two million, three hundred ten thousand, twelve".