1022000222212 has 24 divisors (see below), whose sum is σ = 1817307027032. Its totient is φ = 502802899200.

The previous prime is 1022000222209. The next prime is 1022000222219. The reversal of 1022000222212 is 2122220002201.

It can be written as a sum of positive squares in 4 ways, for example, as 24207003396 + 997793218816 = 155586^2 + 998896^2 .

It is not an unprimeable number, because it can be changed into a prime (1022000222219) 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, 4033839 + ... + 4279702.

Almost surely, 2^{1022000222212} is an apocalyptic number.

It is an amenable number.

1022000222212 is a deficient number, since it is larger than the sum of its proper divisors (795306804820).

1022000222212 is a wasteful number, since it uses less digits than its factorization.

1022000222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8314039 (or 8314037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1022000222212 its reverse (2122220002201), we get a palindrome (3144220224413).

The spelling of 1022000222212 in words is "one trillion, twenty-two billion, two hundred twenty-two thousand, two hundred twelve".