1202120322320 has 20 divisors (see below), whose sum is σ = 2794929749580. Its totient is φ = 480848128896.

The previous prime is 1202120322229. The next prime is 1202120322343. The reversal of 1202120322320 is 232230212021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 431685792784 + 770434529536 = 657028^2 + 877744^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1202120322292 and 1202120322301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7513251935 + ... + 7513252094.

It is an arithmetic number, because the mean of its divisors is an integer number (139746487479).

Almost surely, 2^{1202120322320} is an apocalyptic number.

1202120322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202120322320 is an abundant number, since it is smaller than the sum of its proper divisors (1592809427260).

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

1202120322320 is a wasteful number, since it uses less digits than its factorization.

1202120322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15026504042 (or 15026504036 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1202120322320 its reverse (232230212021), we get a palindrome (1434350534341).

The spelling of 1202120322320 in words is "one trillion, two hundred two billion, one hundred twenty million, three hundred twenty-two thousand, three hundred twenty".