212022121210210 has 32 divisors (see below), whose sum is σ = 383298683569200. Its totient is φ = 84440929627392.

The previous prime is 212022121210199. The next prime is 212022121210217. The reversal of 212022121210210 is 12012121220212.

It can be written as a sum of positive squares in 8 ways, for example, as 130061274522481 + 81960846687729 = 11404441^2 + 9053223^2 .

It is a super-3 number, since 3×212022121210210³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212022121210217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42505309 + ... + 47230768.

Almost surely, 2^{212022121210210} is an apocalyptic number.

212022121210210 is a deficient number, since it is larger than the sum of its proper divisors (171276562358990).

212022121210210 is a wasteful number, since it uses less digits than its factorization.

212022121210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89737110.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212022121210210 its reverse (12012121220212), we get a palindrome (224034242430422).

The spelling of 212022121210210 in words is "two hundred twelve trillion, twenty-two billion, one hundred twenty-one million, two hundred ten thousand, two hundred ten".