1323201130312 has 16 divisors (see below), whose sum is σ = 2481024723840. Its totient is φ = 661594537296.

The previous prime is 1323201130291. The next prime is 1323201130357. The reversal of 1323201130312 is 2130311023231.

It is a super-2 number, since 2×1323201130312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259573 + ... + 1647355.

It is an arithmetic number, because the mean of its divisors is an integer number (155064045240).

Almost surely, 2^{1323201130312} is an apocalyptic number.

It is an amenable number.

1323201130312 is a deficient number, since it is larger than the sum of its proper divisors (1157823593528).

1323201130312 is a wasteful number, since it uses less digits than its factorization.

1323201130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506972 (or 1506968 counting only the distinct ones).

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

Adding to 1323201130312 its reverse (2130311023231), we get a palindrome (3453512153543).

The spelling of 1323201130312 in words is "one trillion, three hundred twenty-three billion, two hundred one million, one hundred thirty thousand, three hundred twelve".