12210001021122 has 32 divisors (see below), whose sum is σ = 25652759702400. Its totient is φ = 3866915986560.

The previous prime is 12210001021103. The next prime is 12210001021123. The reversal of 12210001021122 is 22112010001221.

It is not an unprimeable number, because it can be changed into a prime (12210001021123) by changing a digit.

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, 296886379 + ... + 296927502.

It is an arithmetic number, because the mean of its divisors is an integer number (801648740700).

Almost surely, 2^{12210001021122} is an apocalyptic number.

12210001021122 is an abundant number, since it is smaller than the sum of its proper divisors (13442758681278).

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

12210001021122 is a wasteful number, since it uses less digits than its factorization.

12210001021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593814058.

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

Adding to 12210001021122 its reverse (22112010001221), we get a palindrome (34322011022343).

The spelling of 12210001021122 in words is "twelve trillion, two hundred ten billion, one million, twenty-one thousand, one hundred twenty-two".