1022220001012 has 12 divisors (see below), whose sum is σ = 2044440002080. Its totient is φ = 438094286136.

The previous prime is 1022220001003. The next prime is 1022220001123. The reversal of 1022220001012 is 2101000222201.

It is a happy number.

1022220001012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1022220000983 and 1022220001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18253928562 + ... + 18253928617.

Almost surely, 2^{1022220001012} is an apocalyptic number.

It is an amenable number.

1022220001012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1022220001012 is a wasteful number, since it uses less digits than its factorization.

1022220001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36507857190 (or 36507857188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022220001012 its reverse (2101000222201), we get a palindrome (3123220223213).

The spelling of 1022220001012 in words is "one trillion, twenty-two billion, two hundred twenty million, one thousand, twelve".