1200323313012 has 96 divisors (see below), whose sum is σ = 2822587342848. Its totient is φ = 397005840000.

The previous prime is 1200323313011. The next prime is 1200323313017. The reversal of 1200323313012 is 2103133230021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200323313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200323313011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1211223837 + ... + 1211224827.

It is an arithmetic number, because the mean of its divisors is an integer number (29401951488).

Almost surely, 2^{1200323313012} is an apocalyptic number.

1200323313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200323313012 is an abundant number, since it is smaller than the sum of its proper divisors (1622264029836).

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

1200323313012 is a wasteful number, since it uses less digits than its factorization.

1200323313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1200323313012 its reverse (2103133230021), we get a palindrome (3303456543033).

The spelling of 1200323313012 in words is "one trillion, two hundred billion, three hundred twenty-three million, three hundred thirteen thousand, twelve".