1301323223112 has 128 divisors (see below), whose sum is σ = 3614438661120. Its totient is φ = 387102240000.

The previous prime is 1301323223099. The next prime is 1301323223149. The reversal of 1301323223112 is 2113223231031.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 8019987 + ... + 8180637.

It is an arithmetic number, because the mean of its divisors is an integer number (28237802040).

Almost surely, 2^{1301323223112} is an apocalyptic number.

1301323223112 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 1301323223112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807219330560).

1301323223112 is an abundant number, since it is smaller than the sum of its proper divisors (2313115438008).

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

1301323223112 is a wasteful number, since it uses less digits than its factorization.

1301323223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161235 (or 161231 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1301323223112 its reverse (2113223231031), we get a palindrome (3414546454143).

The spelling of 1301323223112 in words is "one trillion, three hundred one billion, three hundred twenty-three million, two hundred twenty-three thousand, one hundred twelve".