1312301233012 has 96 divisors (see below), whose sum is σ = 3026406620160. Its totient is φ = 482366016000.

The previous prime is 1312301232959. The next prime is 1312301233081. The reversal of 1312301233012 is 2103321032131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 945087 + ... + 1875577.

It is an arithmetic number, because the mean of its divisors is an integer number (31525068960).

Almost surely, 2^{1312301233012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312301233012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513203310080).

1312301233012 is an abundant number, since it is smaller than the sum of its proper divisors (1714105387148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312301233012 is a wasteful number, since it uses less digits than its factorization.

1312301233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930773 (or 930771 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1312301233012 its reverse (2103321032131), we get a palindrome (3415622265143).

The spelling of 1312301233012 in words is "one trillion, three hundred twelve billion, three hundred one million, two hundred thirty-three thousand, twelve".