1021022323012 has 6 divisors (see below), whose sum is σ = 1786789065278. Its totient is φ = 510511161504.

The previous prime is 1021022322989. The next prime is 1021022323043. The reversal of 1021022323012 is 2103232201201.

It can be written as a sum of positive squares in only one way, i.e., 965239441156 + 55782881856 = 982466^2 + 236184^2 .

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, 127627790373 + ... + 127627790380.

Almost surely, 2^{1021022323012} is an apocalyptic number.

It is an amenable number.

1021022323012 is a deficient number, since it is larger than the sum of its proper divisors (765766742266).

1021022323012 is a wasteful number, since it uses less digits than its factorization.

1021022323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255255580757 (or 255255580755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1021022323012 its reverse (2103232201201), we get a palindrome (3124254524213).

The spelling of 1021022323012 in words is "one trillion, twenty-one billion, twenty-two million, three hundred twenty-three thousand, twelve".