1000222111012 has 24 divisors (see below), whose sum is σ = 1753791818240. Its totient is φ = 499139573760.

The previous prime is 1000222110973. The next prime is 1000222111013. The reversal of 1000222111012 is 2101112220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000222110983 and 1000222111001.

It is not an unprimeable number, because it can be changed into a prime (1000222111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4716337 + ... + 4923847.

Almost surely, 2^{1000222111012} is an apocalyptic number.

It is an amenable number.

1000222111012 is a deficient number, since it is larger than the sum of its proper divisors (753569707228).

1000222111012 is a wasteful number, since it uses less digits than its factorization.

1000222111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209851 (or 209849 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000222111012 its reverse (2101112220001), we get a palindrome (3101334331013).

The spelling of 1000222111012 in words is "one trillion, two hundred twenty-two million, one hundred eleven thousand, twelve".