1323012203212 has 12 divisors (see below), whose sum is σ = 2646024406480. Its totient is φ = 567005229936.

The previous prime is 1323012203189. The next prime is 1323012203231. The reversal of 1323012203212 is 2123022103231.

1323012203212 is an admirable number.

It is a super-2 number, since 2×1323012203212² (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, 23625217887 + ... + 23625217942.

Almost surely, 2^{1323012203212} is an apocalyptic number.

It is an amenable number.

1323012203212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1323012203212 is a wasteful number, since it uses less digits than its factorization.

1323012203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47250435840 (or 47250435838 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1323012203212 its reverse (2123022103231), we get a palindrome (3446034306443).

The spelling of 1323012203212 in words is "one trillion, three hundred twenty-three billion, twelve million, two hundred three thousand, two hundred twelve".