212120122010210 has 8 divisors (see below), whose sum is σ = 381816219618396. Its totient is φ = 84848048804080.

The previous prime is 212120122010197. The next prime is 212120122010257. The reversal of 212120122010210 is 12010221021212.

It can be written as a sum of positive squares in 2 ways, for example, as 191558803587529 + 20561318422681 = 13840477^2 + 4534459^2 .

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, 10606006100501 + ... + 10606006100520.

Almost surely, 2^{212120122010210} is an apocalyptic number.

212120122010210 is a deficient number, since it is larger than the sum of its proper divisors (169696097608186).

212120122010210 is a wasteful number, since it uses less digits than its factorization.

212120122010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21212012201028.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212120122010210 its reverse (12010221021212), we get a palindrome (224130343031422).

The spelling of 212120122010210 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred twenty-two million, ten thousand, two hundred ten".