212132212022122 has 48 divisors (see below), whose sum is σ = 392086324292040. Its totient is φ = 85530175890432.

The previous prime is 212132212022119. The next prime is 212132212022123. The reversal of 212132212022122 is 221220212231212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160957203245881 + 51175008776241 = 12686891^2 + 7153671^2 .

It is not an unprimeable number, because it can be changed into a prime (212132212022123) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 22617997 + ... + 30591472.

Almost surely, 2^{212132212022122} is an apocalyptic number.

212132212022122 is a deficient number, since it is larger than the sum of its proper divisors (179954112269918).

212132212022122 is a wasteful number, since it uses less digits than its factorization.

212132212022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53211895 (or 53211888 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 212132212022122 its reverse (221220212231212), we get a palindrome (433352424253334).

The spelling of 212132212022122 in words is "two hundred twelve trillion, one hundred thirty-two billion, two hundred twelve million, twenty-two thousand, one hundred twenty-two".