1022222222212 has 24 divisors (see below), whose sum is σ = 1866756528000. Its totient is φ = 488865353856.

The previous prime is 1022222222209. The next prime is 1022222222227. The reversal of 1022222222212 is 2122222222201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1735089 + ... + 2248327.

It is an arithmetic number, because the mean of its divisors is an integer number (77781522000).

Almost surely, 2^{1022222222212} is an apocalyptic number.

It is an amenable number.

1022222222212 is a deficient number, since it is larger than the sum of its proper divisors (844534305788).

1022222222212 is a wasteful number, since it uses less digits than its factorization.

1022222222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534915 (or 534913 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1022222222212 its reverse (2122222222201), we get a palindrome (3144444444413).

It can be divided in two parts, 10 and 22222222212, that added together give a palindrome (22222222222).

The spelling of 1022222222212 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".