121211300322 has 48 divisors (see below), whose sum is σ = 301464551232. Its totient is φ = 34479228960.

The previous prime is 121211300311. The next prime is 121211300407. The reversal of 121211300322 is 223003112121.

121211300322 is a `hidden beast` number, since 1 + 21 + 21 + 1 + 300 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121211300295 and 121211300304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2090329 + ... + 2147532.

It is an arithmetic number, because the mean of its divisors is an integer number (6280511484).

Almost surely, 2^121211300322 is an apocalyptic number.

121211300322 is an abundant number, since it is smaller than the sum of its proper divisors (180253250910).

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

121211300322 is a wasteful number, since it uses less digits than its factorization.

121211300322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238103 (or 4238100 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121211300322 its reverse (223003112121), we get a palindrome (344214412443).

The spelling of 121211300322 in words is "one hundred twenty-one billion, two hundred eleven million, three hundred thousand, three hundred twenty-two".