12121030010022 has 16 divisors (see below), whose sum is σ = 24419009364912. Its totient is φ = 4010851779200.

The previous prime is 12121030009999. The next prime is 12121030010027. The reversal of 12121030010022 is 22001003012121.

It is a junction number, because it is equal to n+sod(n) for n = 12121030009983 and 12121030010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121030010027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7372888479 + ... + 7372890122.

It is an arithmetic number, because the mean of its divisors is an integer number (1526188085307).

Almost surely, 2^{12121030010022} is an apocalyptic number.

12121030010022 is an abundant number, since it is smaller than the sum of its proper divisors (12297979354890).

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

12121030010022 is a wasteful number, since it uses less digits than its factorization.

12121030010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14745778743.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12121030010022 its reverse (22001003012121), we get a palindrome (34122033022143).

The spelling of 12121030010022 in words is "twelve trillion, one hundred twenty-one billion, thirty million, ten thousand, twenty-two".