1302212022320 has 80 divisors (see below), whose sum is σ = 3305162741760. Its totient is φ = 473204832000.

The previous prime is 1302212022289. The next prime is 1302212022323. The reversal of 1302212022320 is 232202122031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 1302212022292 and 1302212022301.

It is not an unprimeable number, because it can be changed into a prime (1302212022323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766961 + ... + 1786799.

It is an arithmetic number, because the mean of its divisors is an integer number (41314534272).

Almost surely, 2^{1302212022320} is an apocalyptic number.

1302212022320 is a gapful number since it is divisible by the number (10) 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 1302212022320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652581370880).

1302212022320 is an abundant number, since it is smaller than the sum of its proper divisors (2002950719440).

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

1302212022320 is a wasteful number, since it uses less digits than its factorization.

1302212022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021314 (or 1021308 counting only the distinct ones).

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

Adding to 1302212022320 its reverse (232202122031), we get a palindrome (1534414144351).

The spelling of 1302212022320 in words is "one trillion, three hundred two billion, two hundred twelve million, twenty-two thousand, three hundred twenty".