1001223313012 has 96 divisors (see below), whose sum is σ = 1962700346880. Its totient is φ = 443724610560.

The previous prime is 1001223312997. The next prime is 1001223313049. The reversal of 1001223313012 is 2103133221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535126437 + ... + 535128307.

It is an arithmetic number, because the mean of its divisors is an integer number (20444795280).

Almost surely, 2^{1001223313012} is an apocalyptic number.

It is an amenable number.

1001223313012 is a deficient number, since it is larger than the sum of its proper divisors (961477033868).

1001223313012 is a wasteful number, since it uses less digits than its factorization.

1001223313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001223313012 its reverse (2103133221001), we get a palindrome (3104356534013).

The spelling of 1001223313012 in words is "one trillion, one billion, two hundred twenty-three million, three hundred thirteen thousand, twelve".