215552214123200 has 84 divisors (see below), whose sum is σ = 530608871221080. Its totient is φ = 86185820682240.

The previous prime is 215552214123187. The next prime is 215552214123221. The reversal of 215552214123200 is 2321412255512.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23458877 + ... + 31327676.

Almost surely, 2^{215552214123200} is an apocalyptic number.

215552214123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215552214123200 is an abundant number, since it is smaller than the sum of its proper divisors (315056657097880).

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

215552214123200 is a wasteful number, since it uses less digits than its factorization.

215552214123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54789034 (or 54789019 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 215552214123200 its reverse (2321412255512), we get a palindrome (217873626378712).

The spelling of 215552214123200 in words is "two hundred fifteen trillion, five hundred fifty-two billion, two hundred fourteen million, one hundred twenty-three thousand, two hundred".