212224661362 has 12 divisors (see below), whose sum is σ = 370310378670. Its totient is φ = 90953426256.

The previous prime is 212224661317. The next prime is 212224661413. The reversal of 212224661362 is 263166422212.

It can be written as a sum of positive squares in only one way, i.e., 184204914481 + 28019746881 = 429191^2 + 167391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1082778787 + ... + 1082778982.

Almost surely, 2^212224661362 is an apocalyptic number.

212224661362 is a deficient number, since it is larger than the sum of its proper divisors (158085717308).

212224661362 is a wasteful number, since it uses less digits than its factorization.

212224661362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165557785 (or 2165557778 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The spelling of 212224661362 in words is "two hundred twelve billion, two hundred twenty-four million, six hundred sixty-one thousand, three hundred sixty-two".