1320122201244 has 768 divisors, whose sum is σ = 4323838869504. Its totient is φ = 303077376000.

The previous prime is 1320122201219. The next prime is 1320122201257. The reversal of 1320122201244 is 4421022210231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2524133967 + ... + 2524134489.

It is an arithmetic number, because the mean of its divisors is an integer number (5629998528).

Almost surely, 2^{1320122201244} is an apocalyptic number.

1320122201244 is a gapful number since it is divisible by the number (14) 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 1320122201244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2161919434752).

1320122201244 is an abundant number, since it is smaller than the sum of its proper divisors (3003716668260).

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

1320122201244 is a wasteful number, since it uses less digits than its factorization.

1320122201244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 744 counting only the distinct ones).

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

Adding to 1320122201244 its reverse (4421022210231), we get a palindrome (5741144411475).

It can be divided in two parts, 13201 and 22201244, that added together give a triangular number (22214445 = T₆₆₆₅).

The spelling of 1320122201244 in words is "one trillion, three hundred twenty billion, one hundred twenty-two million, two hundred one thousand, two hundred forty-four".