212012020202 has 16 divisors (see below), whose sum is σ = 336848508360. Its totient is φ = 99733759488.

The previous prime is 212012020141. The next prime is 212012020223. The reversal of 212012020202 is 202020210212.

It can be written as a sum of positive squares in 4 ways, for example, as 200839318801 + 11172701401 = 448151^2 + 105701^2 .

It is a super-2 number, since 2×212012020202² (a number of 23 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, 1049693 + ... + 1235264.

Almost surely, 2^212012020202 is an apocalyptic number.

212012020202 is a deficient number, since it is larger than the sum of its proper divisors (124836488158).

212012020202 is a wasteful number, since it uses less digits than its factorization.

212012020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287705.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212012020202 its reverse (202020210212), we get a palindrome (414032230414).

The spelling of 212012020202 in words is "two hundred twelve billion, twelve million, twenty thousand, two hundred two".