10212111210 has 32 divisors (see below), whose sum is σ = 28010362752. Its totient is φ = 2334196800.

The previous prime is 10212111197. The next prime is 10212111269. The reversal of 10212111210 is 1211121201.

It is a Curzon number.

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, 24314341 + ... + 24314760.

It is an arithmetic number, because the mean of its divisors is an integer number (875323836).

Almost surely, 2^10212111210 is an apocalyptic number.

10212111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212111210 is an abundant number, since it is smaller than the sum of its proper divisors (17798251542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212111210 is a wasteful number, since it uses less digits than its factorization.

10212111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48629118.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10212111210 its reverse (1211121201), we get a palindrome (11423232411).

Subtracting from 10212111210 its reverse (1211121201), we obtain a palindrome (9000990009).

The spelling of 10212111210 in words is "ten billion, two hundred twelve million, one hundred eleven thousand, two hundred ten".