215332323420000 has 960 divisors, whose sum is σ = 795367172033280. Its totient is φ = 50671484928000.

The previous prime is 215332323419987. The next prime is 215332323420001. The reversal of 215332323420000 is 24323233512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 215332323420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215332323420001) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1879802727 + ... + 1879917273.

It is an arithmetic number, because the mean of its divisors is an integer number (828507470868).

Almost surely, 2^{215332323420000} is an apocalyptic number.

215332323420000 is a gapful number since it is divisible by the number (20) 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 215332323420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397683586016640).

215332323420000 is an abundant number, since it is smaller than the sum of its proper divisors (580034848613280).

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

215332323420000 is a wasteful number, since it uses less digits than its factorization.

215332323420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114713 (or 114690 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 215332323420000 its reverse (24323233512), we get a palindrome (215356646653512).

The spelling of 215332323420000 in words is "two hundred fifteen trillion, three hundred thirty-two billion, three hundred twenty-three million, four hundred twenty thousand".