121122330212 has 12 divisors (see below), whose sum is σ = 228269007036. Its totient is φ = 55902613920.

The previous prime is 121122330193. The next prime is 121122330221. The reversal of 121122330212 is 212033221121.

It can be written as a sum of positive squares in 2 ways, for example, as 8651976256 + 112470353956 = 93016^2 + 335366^2 .

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 3 ways as a sum of consecutive naturals, for example, 1164637739 + ... + 1164637842.

It is an arithmetic number, because the mean of its divisors is an integer number (19022417253).

Almost surely, 2^121122330212 is an apocalyptic number.

It is an amenable number.

121122330212 is a deficient number, since it is larger than the sum of its proper divisors (107146676824).

121122330212 is a wasteful number, since it uses less digits than its factorization.

121122330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329275598 (or 2329275596 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121122330212 its reverse (212033221121), we get a palindrome (333155551333).

The spelling of 121122330212 in words is "one hundred twenty-one billion, one hundred twenty-two million, three hundred thirty thousand, two hundred twelve".