213142210 has 8 divisors (see below), whose sum is σ = 383655996. Its totient is φ = 85256880.

The previous prime is 213142207. The next prime is 213142211. The reversal of 213142210 is 12241312.

It can be written as a sum of positive squares in 2 ways, for example, as 197767969 + 15374241 = 14063^2 + 3921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (213142211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10657101 + ... + 10657120.

Almost surely, 2^213142210 is an apocalyptic number.

213142210 is a deficient number, since it is larger than the sum of its proper divisors (170513786).

213142210 is a wasteful number, since it uses less digits than its factorization.

213142210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314228.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 213142210 is about 14599.3907407124. The cubic root of 213142210 is about 597.3421418498.

Adding to 213142210 its reverse (12241312), we get a palindrome (225383522).

The spelling of 213142210 in words is "two hundred thirteen million, one hundred forty-two thousand, two hundred ten".