1012323440012 has 72 divisors (see below), whose sum is σ = 1874361762000. Its totient is φ = 477828566656.

The previous prime is 1012323439993. The next prime is 1012323440017. The reversal of 1012323440012 is 2100443232101.

It is a self number, because there is not a number n which added to its sum of digits gives 1012323440012.

It is not an unprimeable number, because it can be changed into a prime (1012323440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499418543 + ... + 499420569.

It is an arithmetic number, because the mean of its divisors is an integer number (26032802250).

Almost surely, 2^{1012323440012} is an apocalyptic number.

It is an amenable number.

1012323440012 is a deficient number, since it is larger than the sum of its proper divisors (862038321988).

1012323440012 is a wasteful number, since it uses less digits than its factorization.

1012323440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103 (or 4054 counting only the distinct ones).

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

Adding to 1012323440012 its reverse (2100443232101), we get a palindrome (3112766672113).

The spelling of 1012323440012 in words is "one trillion, twelve billion, three hundred twenty-three million, four hundred forty thousand, twelve".