210015213 has 16 divisors (see below), whose sum is σ = 283970880. Its totient is φ = 138047616.

The previous prime is 210015209. The next prime is 210015241. The reversal of 210015213 is 312510012.

210015213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210015213 - 2² = 210015209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210015192 and 210015201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210015283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72081 + ... + 74937.

It is an arithmetic number, because the mean of its divisors is an integer number (17748180).

Almost surely, 2^210015213 is an apocalyptic number.

It is an amenable number.

210015213 is a deficient number, since it is larger than the sum of its proper divisors (73955667).

210015213 is a wasteful number, since it uses less digits than its factorization.

210015213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 210015213 is about 14491.9016350512. The cubic root of 210015213 is about 594.4065480860.

Adding to 210015213 its reverse (312510012), we get a palindrome (522525225).

The spelling of 210015213 in words is "two hundred ten million, fifteen thousand, two hundred thirteen".