121322120320212 has 72 divisors (see below), whose sum is σ = 333471289253760. Its totient is φ = 34224684923520.

The previous prime is 121322120320183. The next prime is 121322120320253. The reversal of 121322120320212 is 212023021223121.

It is a super-3 number, since 3×121322120320212³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1305840489 + ... + 1305933392.

It is an arithmetic number, because the mean of its divisors is an integer number (4631545684080).

Almost surely, 2^{121322120320212} is an apocalyptic number.

121322120320212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121322120320212 is an abundant number, since it is smaller than the sum of its proper divisors (212149168933548).

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

121322120320212 is a wasteful number, since it uses less digits than its factorization.

121322120320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611773981 (or 2611773972 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121322120320212 its reverse (212023021223121), we get a palindrome (333345141543333).

The spelling of 121322120320212 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, one hundred twenty million, three hundred twenty thousand, two hundred twelve".