12210121122 has 32 divisors (see below), whose sum is σ = 24789811200. Its totient is φ = 4008907728.

The previous prime is 12210121081. The next prime is 12210121139. The reversal of 12210121122 is 22112101221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48279 + ... + 163557.

It is an arithmetic number, because the mean of its divisors is an integer number (774681600).

Almost surely, 2^12210121122 is an apocalyptic number.

12210121122 is an abundant number, since it is smaller than the sum of its proper divisors (12579690078).

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

12210121122 is a wasteful number, since it uses less digits than its factorization.

12210121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115550.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12210121122 its reverse (22112101221), we get a palindrome (34322222343).

The spelling of 12210121122 in words is "twelve billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".