1323231333212 has 48 divisors (see below), whose sum is σ = 2350681546752. Its totient is φ = 651688027200.

The previous prime is 1323231333167. The next prime is 1323231333223. The reversal of 1323231333212 is 2123331323231.

It is a super-2 number, since 2×1323231333212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175887683 + ... + 175895205.

It is an arithmetic number, because the mean of its divisors is an integer number (48972532224).

Almost surely, 2^{1323231333212} is an apocalyptic number.

It is an amenable number.

1323231333212 is a deficient number, since it is larger than the sum of its proper divisors (1027450213540).

1323231333212 is a wasteful number, since it uses less digits than its factorization.

1323231333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10098 (or 10096 counting only the distinct ones).

The product of its digits is 11664, while the sum is 29.

Adding to 1323231333212 its reverse (2123331323231), we get a palindrome (3446562656443).

The spelling of 1323231333212 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, three hundred thirty-three thousand, two hundred twelve".