121322321222312 has 64 divisors (see below), whose sum is σ = 261170782427520. Its totient is φ = 51756490729728.

The previous prime is 121322321222287. The next prime is 121322321222341. The reversal of 121322321222312 is 213222123223121.

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, 66898298 + ... + 68687894.

It is an arithmetic number, because the mean of its divisors is an integer number (4080793475430).

Almost surely, 2^{121322321222312} is an apocalyptic number.

It is an amenable number.

121322321222312 is an abundant number, since it is smaller than the sum of its proper divisors (139848461205208).

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

121322321222312 is a wasteful number, since it uses less digits than its factorization.

121322321222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795170 (or 1795166 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 121322321222312 its reverse (213222123223121), we get a palindrome (334544444445433).

The spelling of 121322321222312 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, three hundred twenty-one million, two hundred twenty-two thousand, three hundred twelve".