1202323110312 has 64 divisors (see below), whose sum is σ = 3063544001280. Its totient is φ = 393081258752.

The previous prime is 1202323110299. The next prime is 1202323110397. The reversal of 1202323110312 is 2130113232021.

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 in 15 ways as a sum of consecutive naturals, for example, 3688918 + ... + 4001594.

It is an arithmetic number, because the mean of its divisors is an integer number (47867875020).

Almost surely, 2^{1202323110312} is an apocalyptic number.

1202323110312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202323110312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531772000640).

1202323110312 is an abundant number, since it is smaller than the sum of its proper divisors (1861220890968).

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

1202323110312 is a wasteful number, since it uses less digits than its factorization.

1202323110312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315762 (or 315758 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1202323110312 its reverse (2130113232021), we get a palindrome (3332436342333).

The spelling of 1202323110312 in words is "one trillion, two hundred two billion, three hundred twenty-three million, one hundred ten thousand, three hundred twelve".