1012220001222 has 32 divisors (see below), whose sum is σ = 2056911870048. Its totient is φ = 332016039936.

The previous prime is 1012220001211. The next prime is 1012220001269. The reversal of 1012220001222 is 2221000222101.

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, 2478943 + ... + 2858250.

It is an arithmetic number, because the mean of its divisors is an integer number (64278495939).

Almost surely, 2^{1012220001222} is an apocalyptic number.

1012220001222 is an abundant number, since it is smaller than the sum of its proper divisors (1044691868826).

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

1012220001222 is a wasteful number, since it uses less digits than its factorization.

1012220001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337704.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1012220001222 its reverse (2221000222101), we get a palindrome (3233220223323).

The spelling of 1012220001222 in words is "one trillion, twelve billion, two hundred twenty million, one thousand, two hundred twenty-two".