1000222012205 has 12 divisors (see below), whose sum is σ = 1299696769620. Its totient is φ = 738625485312.

The previous prime is 1000222012189. The next prime is 1000222012213. The reversal of 1000222012205 is 5022102220001.

1000222012205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 186352802596 + 813869209609 = 431686^2 + 902147^2 .

It is not a de Polignac number, because 1000222012205 - 2⁴ = 1000222012189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591846500 + ... + 591848189.

It is an arithmetic number, because the mean of its divisors is an integer number (108308064135).

Almost surely, 2^{1000222012205} is an apocalyptic number.

It is an amenable number.

1000222012205 is a deficient number, since it is larger than the sum of its proper divisors (299474757415).

1000222012205 is a wasteful number, since it uses less digits than its factorization.

1000222012205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183694720 (or 1183694707 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 1000222012205 its reverse (5022102220001), we get a palindrome (6022324232206).

The spelling of 1000222012205 in words is "one trillion, two hundred twenty-two million, twelve thousand, two hundred five".