212310213330322 has 4 divisors (see below), whose sum is σ = 318465319995486. Its totient is φ = 106155106665160.

The previous prime is 212310213330307. The next prime is 212310213330343. The reversal of 212310213330322 is 223033312013212.

It is a happy number.

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., 186785276297481 + 25524937032841 = 13666941^2 + 5052221^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53077553332579 + ... + 53077553332582.

Almost surely, 2^{212310213330322} is an apocalyptic number.

212310213330322 is a deficient number, since it is larger than the sum of its proper divisors (106155106665164).

212310213330322 is a wasteful number, since it uses less digits than its factorization.

212310213330322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106155106665163.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 212310213330322 its reverse (223033312013212), we get a palindrome (435343525343534).

The spelling of 212310213330322 in words is "two hundred twelve trillion, three hundred ten billion, two hundred thirteen million, three hundred thirty thousand, three hundred twenty-two".