212023102402 has 4 divisors (see below), whose sum is σ = 318034653606. Its totient is φ = 106011551200.

The previous prime is 212023102397. The next prime is 212023102441. The reversal of 212023102402 is 204201320212.

212023102402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 144522385921 + 67500716481 = 380161^2 + 259809^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212023102402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53005775599 + ... + 53005775602.

Almost surely, 2^212023102402 is an apocalyptic number.

212023102402 is a deficient number, since it is larger than the sum of its proper divisors (106011551204).

212023102402 is a wasteful number, since it uses less digits than its factorization.

212023102402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011551203.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212023102402 its reverse (204201320212), we get a palindrome (416224422614).

The spelling of 212023102402 in words is "two hundred twelve billion, twenty-three million, one hundred two thousand, four hundred two".