1323021023212 has 24 divisors (see below), whose sum is σ = 2685535215104. Its totient is φ = 558546188112.

The previous prime is 1323021023183. The next prime is 1323021023237. The reversal of 1323021023212 is 2123201203231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352615668 + ... + 352619419.

Almost surely, 2^{1323021023212} is an apocalyptic number.

It is an amenable number.

1323021023212 is an abundant number, since it is smaller than the sum of its proper divisors (1362514191892).

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

1323021023212 is a wasteful number, since it uses less digits than its factorization.

1323021023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705235165 (or 705235163 counting only the distinct ones).

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

Adding to 1323021023212 its reverse (2123201203231), we get a palindrome (3446222226443).

The spelling of 1323021023212 in words is "one trillion, three hundred twenty-three billion, twenty-one million, twenty-three thousand, two hundred twelve".