212112210202 has 8 divisors (see below), whose sum is σ = 320194865556. Its totient is φ = 105380588352.

The previous prime is 212112210199. The next prime is 212112210217. The reversal of 212112210202 is 202012211212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208073734801 + 4038475401 = 456151^2 + 63549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×212112210202³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337757983 + ... + 337758610.

Almost surely, 2^212112210202 is an apocalyptic number.

212112210202 is a deficient number, since it is larger than the sum of its proper divisors (108082655354).

212112210202 is a wasteful number, since it uses less digits than its factorization.

212112210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675516752.

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

Adding to 212112210202 its reverse (202012211212), we get a palindrome (414124421414).

The spelling of 212112210202 in words is "two hundred twelve billion, one hundred twelve million, two hundred ten thousand, two hundred two".