1000222022312 has 8 divisors (see below), whose sum is σ = 1875416291850. Its totient is φ = 500111011152.

The previous prime is 1000222022279. The next prime is 1000222022323. The reversal of 1000222022312 is 2132202220001.

It can be written as a sum of positive squares in only one way, i.e., 608253368836 + 391968653476 = 779906^2 + 626074^2 .

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

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, 62513876387 + ... + 62513876402.

Almost surely, 2^{1000222022312} is an apocalyptic number.

It is an amenable number.

1000222022312 is a deficient number, since it is larger than the sum of its proper divisors (875194269538).

1000222022312 is a wasteful number, since it uses less digits than its factorization.

1000222022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125027752795 (or 125027752791 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1000222022312 its reverse (2132202220001), we get a palindrome (3132424242313).

The spelling of 1000222022312 in words is "one trillion, two hundred twenty-two million, twenty-two thousand, three hundred twelve".