212313200402 has 4 divisors (see below), whose sum is σ = 318469800606. Its totient is φ = 106156600200.

The previous prime is 212313200347. The next prime is 212313200417. The reversal of 212313200402 is 204002313212.

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., 187117670041 + 25195530361 = 432571^2 + 158731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53078300099 + ... + 53078300102.

Almost surely, 2^212313200402 is an apocalyptic number.

212313200402 is a deficient number, since it is larger than the sum of its proper divisors (106156600204).

212313200402 is a wasteful number, since it uses less digits than its factorization.

212313200402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106156600203.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212313200402 its reverse (204002313212), we get a palindrome (416315513614).

The spelling of 212313200402 in words is "two hundred twelve billion, three hundred thirteen million, two hundred thousand, four hundred two".