212031112103210 has 32 divisors (see below), whose sum is σ = 381808156766400. Its totient is φ = 84778634085120.

The previous prime is 212031112103179. The next prime is 212031112103233. The reversal of 212031112103210 is 12301211130212.

It is a super-2 number, since 2×212031112103210² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2089152146 + ... + 2089253634.

It is an arithmetic number, because the mean of its divisors is an integer number (11931504898950).

Almost surely, 2^{212031112103210} is an apocalyptic number.

212031112103210 is a deficient number, since it is larger than the sum of its proper divisors (169777044663190).

212031112103210 is a wasteful number, since it uses less digits than its factorization.

212031112103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182726.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 212031112103210 its reverse (12301211130212), we get a palindrome (224332323233422).

The spelling of 212031112103210 in words is "two hundred twelve trillion, thirty-one billion, one hundred twelve million, one hundred three thousand, two hundred ten".