1022312222312 has 8 divisors (see below), whose sum is σ = 1916835416850. Its totient is φ = 511156111152.

The previous prime is 1022312222273. The next prime is 1022312222333. The reversal of 1022312222312 is 2132222132201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 994076797156 + 28235425156 = 997034^2 + 168034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1022312222312² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 63894513887 + ... + 63894513902.

Almost surely, 2^{1022312222312} is an apocalyptic number.

It is an amenable number.

1022312222312 is a deficient number, since it is larger than the sum of its proper divisors (894523194538).

1022312222312 is a wasteful number, since it uses less digits than its factorization.

1022312222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127789027795 (or 127789027791 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1022312222312 its reverse (2132222132201), we get a palindrome (3154534354513).

The spelling of 1022312222312 in words is "one trillion, twenty-two billion, three hundred twelve million, two hundred twenty-two thousand, three hundred twelve".