1320244220112 has 160 divisors (see below), whose sum is σ = 3491531277696. Its totient is φ = 429727334400.

The previous prime is 1320244220093. The next prime is 1320244220149. The reversal of 1320244220112 is 2110224420231.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540860812 + ... + 540863252.

Almost surely, 2^{1320244220112} is an apocalyptic number.

1320244220112 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 1320244220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745765638848).

1320244220112 is an abundant number, since it is smaller than the sum of its proper divisors (2171287057584).

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

1320244220112 is a wasteful number, since it uses less digits than its factorization.

1320244220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1320244220112 its reverse (2110224420231), we get a palindrome (3430468640343).

The spelling of 1320244220112 in words is "one trillion, three hundred twenty billion, two hundred forty-four million, two hundred twenty thousand, one hundred twelve".