323121310211212 has 48 divisors (see below), whose sum is σ = 574926199142400. Its totient is φ = 158868661089600.

The previous prime is 323121310211191. The next prime is 323121310211213. The reversal of 323121310211212 is 212112013121323.

It is a super-2 number, since 2×323121310211212² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323121310211213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221041289 + ... + 1221305887.

It is an arithmetic number, because the mean of its divisors is an integer number (11977629148800).

Almost surely, 2^{323121310211212} is an apocalyptic number.

It is an amenable number.

323121310211212 is a deficient number, since it is larger than the sum of its proper divisors (251804888931188).

323121310211212 is a wasteful number, since it uses less digits than its factorization.

323121310211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275902 (or 275900 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 323121310211212 its reverse (212112013121323), we get a palindrome (535233323332535).

The spelling of 323121310211212 in words is "three hundred twenty-three trillion, one hundred twenty-one billion, three hundred ten million, two hundred eleven thousand, two hundred twelve".