212215172410 has 8 divisors (see below), whose sum is σ = 381987310356. Its totient is φ = 84886068960.

The previous prime is 212215172387. The next prime is 212215172423. The reversal of 212215172410 is 14271512212.

It can be written as a sum of positive squares in 2 ways, for example, as 192265587361 + 19949585049 = 438481^2 + 141243^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610758611 + ... + 10610758630.

Almost surely, 2^212215172410 is an apocalyptic number.

212215172410 is a deficient number, since it is larger than the sum of its proper divisors (169772137946).

212215172410 is a wasteful number, since it uses less digits than its factorization.

212215172410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221517248.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 212215172410 its reverse (14271512212), we get a palindrome (226486684622).

The spelling of 212215172410 in words is "two hundred twelve billion, two hundred fifteen million, one hundred seventy-two thousand, four hundred ten".