1320312220112 has 40 divisors (see below), whose sum is σ = 2708307118560. Its totient is φ = 621795934080.

The previous prime is 1320312220103. The next prime is 1320312220153. The reversal of 1320312220112 is 2110222130231.

It is a super-3 number, since 3×1320312220112³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12499814 + ... + 12604997.

It is an arithmetic number, because the mean of its divisors is an integer number (67707677964).

Almost surely, 2^{1320312220112} is an apocalyptic number.

It is an amenable number.

1320312220112 is an abundant number, since it is smaller than the sum of its proper divisors (1387994898448).

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

1320312220112 is a wasteful number, since it uses less digits than its factorization.

1320312220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25105011 (or 25105005 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1320312220112 its reverse (2110222130231), we get a palindrome (3430534350343).

The spelling of 1320312220112 in words is "one trillion, three hundred twenty billion, three hundred twelve million, two hundred twenty thousand, one hundred twelve".