1000222020012 has 48 divisors (see below), whose sum is σ = 2439632384000. Its totient is φ = 318568049280.

The previous prime is 1000222020001. The next prime is 1000222020041. The reversal of 1000222020012 is 2100202220001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1000222020012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16988137 + ... + 17046912.

Almost surely, 2^{1000222020012} is an apocalyptic number.

1000222020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000222020012 is an abundant number, since it is smaller than the sum of its proper divisors (1439410363988).

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

1000222020012 is a wasteful number, since it uses less digits than its factorization.

1000222020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34035166 (or 34035164 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1000222020012 its reverse (2100202220001), we get a palindrome (3100424240013).

The spelling of 1000222020012 in words is "one trillion, two hundred twenty-two million, twenty thousand, twelve".