1323312212212 has 24 divisors (see below), whose sum is σ = 2486555184960. Its totient is φ = 613964238720.

The previous prime is 1323312212177. The next prime is 1323312212231. The reversal of 1323312212212 is 2122122133231.

It is a congruent number.

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, 137040762 + ... + 137050417.

It is an arithmetic number, because the mean of its divisors is an integer number (103606466040).

Almost surely, 2^{1323312212212} is an apocalyptic number.

It is an amenable number.

1323312212212 is a deficient number, since it is larger than the sum of its proper divisors (1163242972748).

1323312212212 is a wasteful number, since it uses less digits than its factorization.

1323312212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274091271 (or 274091269 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 1323312212212 its reverse (2122122133231), we get a palindrome (3445434345443).

The spelling of 1323312212212 in words is "one trillion, three hundred twenty-three billion, three hundred twelve million, two hundred twelve thousand, two hundred twelve".