1320122141440 has 72 divisors (see below), whose sum is σ = 3177091996848. Its totient is φ = 525546147840.

The previous prime is 1320122141419. The next prime is 1320122141447. The reversal of 1320122141440 is 441412210231.

It is not an unprimeable number, because it can be changed into a prime (1320122141447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173867 + ... + 2714026.

It is an arithmetic number, because the mean of its divisors is an integer number (44126277734).

Almost surely, 2^{1320122141440} is an apocalyptic number.

1320122141440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320122141440 is an abundant number, since it is smaller than the sum of its proper divisors (1856969855408).

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

1320122141440 is an equidigital number, since it uses as much as digits as its factorization.

1320122141440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888125 (or 4888111 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1320122141440 its reverse (441412210231), we get a palindrome (1761534351671).

The spelling of 1320122141440 in words is "one trillion, three hundred twenty billion, one hundred twenty-two million, one hundred forty-one thousand, four hundred forty".