212021113210 has 32 divisors (see below), whose sum is σ = 404980663680. Its totient is φ = 79746182208.

The previous prime is 212021113193. The next prime is 212021113223. The reversal of 212021113210 is 12311120212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7798557 + ... + 7825696.

It is an arithmetic number, because the mean of its divisors is an integer number (12655645740).

Almost surely, 2^212021113210 is an apocalyptic number.

212021113210 is a deficient number, since it is larger than the sum of its proper divisors (192959550470).

212021113210 is a wasteful number, since it uses less digits than its factorization.

212021113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15624342.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212021113210 its reverse (12311120212), we get a palindrome (224332233422).

The spelling of 212021113210 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, two hundred ten".