1323212031310 has 96 divisors (see below), whose sum is σ = 2728486080000. Its totient is φ = 460528219008.

The previous prime is 1323212031299. The next prime is 1323212031313. The reversal of 1323212031310 is 131302123231.

It is a super-2 number, since 2×1323212031310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323212031313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6286351 + ... + 6493429.

It is an arithmetic number, because the mean of its divisors is an integer number (28421730000).

Almost surely, 2^{1323212031310} is an apocalyptic number.

1323212031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323212031310 is an abundant number, since it is smaller than the sum of its proper divisors (1405274048690).

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

1323212031310 is a wasteful number, since it uses less digits than its factorization.

1323212031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207330 (or 207317 counting only the distinct ones).

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

Adding to 1323212031310 its reverse (131302123231), we get a palindrome (1454514154541).

The spelling of 1323212031310 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, thirty-one thousand, three hundred ten".