213216027 has 8 divisors (see below), whose sum is σ = 284355600. Its totient is φ = 142110240.

The previous prime is 213216013. The next prime is 213216037. The reversal of 213216027 is 720612312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213216027 - 2⁸ = 213215771 is a prime.

It is a super-2 number, since 2×213216027² = 90922148339329458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213215988 and 213216006.

It is not an unprimeable number, because it can be changed into a prime (213216007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19377 + ... + 28317.

It is an arithmetic number, because the mean of its divisors is an integer number (35544450).

Almost surely, 2^213216027 is an apocalyptic number.

213216027 is a deficient number, since it is larger than the sum of its proper divisors (71139573).

213216027 is an equidigital number, since it uses as much as digits as its factorization.

213216027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16893.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 213216027 is about 14601.9186068133. The cubic root of 213216027 is about 597.4110925526.

Adding to 213216027 its reverse (720612312), we get a palindrome (933828339).

The spelling of 213216027 in words is "two hundred thirteen million, two hundred sixteen thousand, twenty-seven".