212030211322 has 4 divisors (see below), whose sum is σ = 318045316986. Its totient is φ = 106015105660.

The previous prime is 212030211317. The next prime is 212030211391. The reversal of 212030211322 is 223112030212.

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., 201189028681 + 10841182641 = 448541^2 + 104121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212030211322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53007552829 + ... + 53007552832.

Almost surely, 2^212030211322 is an apocalyptic number.

212030211322 is a deficient number, since it is larger than the sum of its proper divisors (106015105664).

212030211322 is a wasteful number, since it uses less digits than its factorization.

212030211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106015105663.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212030211322 its reverse (223112030212), we get a palindrome (435142241534).

The spelling of 212030211322 in words is "two hundred twelve billion, thirty million, two hundred eleven thousand, three hundred twenty-two".