212120212001210 has 64 divisors (see below), whose sum is σ = 400847994086400. Its totient is φ = 80713806220800.

The previous prime is 212120212001207. The next prime is 212120212001273. The reversal of 212120212001210 is 12100212021212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26306846 + ... + 33410934.

It is an arithmetic number, because the mean of its divisors is an integer number (6263249907600).

Almost surely, 2^{212120212001210} is an apocalyptic number.

212120212001210 is a deficient number, since it is larger than the sum of its proper divisors (188727782085190).

212120212001210 is a wasteful number, since it uses less digits than its factorization.

212120212001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105767.

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

Adding to 212120212001210 its reverse (12100212021212), we get a palindrome (224220424022422).

The spelling of 212120212001210 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred twelve million, one thousand, two hundred ten".