1212120010022 has 32 divisors (see below), whose sum is σ = 1828578240000. Its totient is φ = 602606690496.

The previous prime is 1212120009979. The next prime is 1212120010039. The reversal of 1212120010022 is 2200100212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212120009979 and 1212120010006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645086879 + ... + 645088757.

It is an arithmetic number, because the mean of its divisors is an integer number (57143070000).

Almost surely, 2^{1212120010022} is an apocalyptic number.

1212120010022 is a deficient number, since it is larger than the sum of its proper divisors (616458229978).

1212120010022 is a wasteful number, since it uses less digits than its factorization.

1212120010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212120010022 its reverse (2200100212121), we get a palindrome (3412220222143).

The spelling of 1212120010022 in words is "one trillion, two hundred twelve billion, one hundred twenty million, ten thousand, twenty-two".