212020323202 has 4 divisors (see below), whose sum is σ = 318030484806. Its totient is φ = 106010161600.

The previous prime is 212020323187. The next prime is 212020323217. The reversal of 212020323202 is 202323020212.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (212020323187) and next prime (212020323217).

It can be written as a sum of positive squares in only one way, i.e., 136625597641 + 75394725561 = 369629^2 + 274581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212020323202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53005080799 + ... + 53005080802.

Almost surely, 2^212020323202 is an apocalyptic number.

212020323202 is a deficient number, since it is larger than the sum of its proper divisors (106010161604).

212020323202 is a wasteful number, since it uses less digits than its factorization.

212020323202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106010161603.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 212020323202 its reverse (202323020212), we get a palindrome (414343343414).

The spelling of 212020323202 in words is "two hundred twelve billion, twenty million, three hundred twenty-three thousand, two hundred two".