212001012210202 has 16 divisors (see below), whose sum is σ = 321293488277160. Its totient is φ = 104903275327488.

The previous prime is 212001012210199. The next prime is 212001012210203. The reversal of 212001012210202 is 202012210100212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80847234097081 + 131153778113121 = 8991509^2 + 11452239^2 .

It is not an unprimeable number, because it can be changed into a prime (212001012210203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18539863 + ... + 27707914.

Almost surely, 2^{212001012210202} is an apocalyptic number.

212001012210202 is a deficient number, since it is larger than the sum of its proper divisors (109292476066958).

212001012210202 is a wasteful number, since it uses less digits than its factorization.

212001012210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46271505.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212001012210202 its reverse (202012210100212), we get a palindrome (414013222310414).

The spelling of 212001012210202 in words is "two hundred twelve trillion, one billion, twelve million, two hundred ten thousand, two hundred two".