1222020122012 has 12 divisors (see below), whose sum is σ = 2139025396536. Its totient is φ = 610870008720.

The previous prime is 1222020122009. The next prime is 1222020122027. The reversal of 1222020122012 is 2102210202221.

It is a happy number.

It is a congruent number.

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, 34993439 + ... + 35028342.

It is an arithmetic number, because the mean of its divisors is an integer number (178252116378).

Almost surely, 2^{1222020122012} is an apocalyptic number.

It is an amenable number.

1222020122012 is a deficient number, since it is larger than the sum of its proper divisors (917005274524).

1222020122012 is a wasteful number, since it uses less digits than its factorization.

1222020122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70026148 (or 70026146 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222020122012 its reverse (2102210202221), we get a palindrome (3324230324233).

The spelling of 1222020122012 in words is "one trillion, two hundred twenty-two billion, twenty million, one hundred twenty-two thousand, twelve".