1323130013212 has 72 divisors (see below), whose sum is σ = 2793870683520. Its totient is φ = 537017675040.

The previous prime is 1323130013203. The next prime is 1323130013329. The reversal of 1323130013212 is 2123100313231.

It is a super-3 number, since 3×1323130013212³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30008839 + ... + 30052897.

Almost surely, 2^{1323130013212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323130013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396935341760).

1323130013212 is an abundant number, since it is smaller than the sum of its proper divisors (1470740670308).

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

1323130013212 is a wasteful number, since it uses less digits than its factorization.

1323130013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47079 (or 47058 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1323130013212 its reverse (2123100313231), we get a palindrome (3446230326443).

The spelling of 1323130013212 in words is "one trillion, three hundred twenty-three billion, one hundred thirty million, thirteen thousand, two hundred twelve".