212012120212010 has 8 divisors (see below), whose sum is σ = 381621816381636. Its totient is φ = 84804848084800.

The previous prime is 212012120211953. The next prime is 212012120212027. The reversal of 212012120212010 is 10212021210212.

It can be written as a sum of positive squares in 2 ways, for example, as 196615278109849 + 15396842102161 = 14021957^2 + 3923881^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212012120212010.

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, 10600606010591 + ... + 10600606010610.

Almost surely, 2^{212012120212010} is an apocalyptic number.

212012120212010 is a deficient number, since it is larger than the sum of its proper divisors (169609696169626).

212012120212010 is a wasteful number, since it uses less digits than its factorization.

212012120212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201212021208.

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

Adding to 212012120212010 its reverse (10212021210212), we get a palindrome (222224141422222).

The spelling of 212012120212010 in words is "two hundred twelve trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, ten".