212202102020210 has 16 divisors (see below), whose sum is σ = 381964013712792. Its totient is φ = 84880789680000.

The previous prime is 212202102020189. The next prime is 212202102020239. The reversal of 212202102020210 is 12020201202212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 115918103641729 + 96283998378481 = 10766527^2 + 9812441^2 .

It is a super-2 number, since 2×212202102020210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14199710 + ... + 25020710.

Almost surely, 2^{212202102020210} is an apocalyptic number.

212202102020210 is a deficient number, since it is larger than the sum of its proper divisors (169761911692582).

212202102020210 is a wasteful number, since it uses less digits than its factorization.

212202102020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782029.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212202102020210 its reverse (12020201202212), we get a palindrome (224222303222422).

The spelling of 212202102020210 in words is "two hundred twelve trillion, two hundred two billion, one hundred two million, twenty thousand, two hundred ten".