212080331662 has 4 divisors (see below), whose sum is σ = 318120497496. Its totient is φ = 106040165830.

The previous prime is 212080331657. The next prime is 212080331669. The reversal of 212080331662 is 266133080212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212080331669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53020082914 + ... + 53020082917.

It is an arithmetic number, because the mean of its divisors is an integer number (79530124374).

Almost surely, 2^212080331662 is an apocalyptic number.

212080331662 is a deficient number, since it is larger than the sum of its proper divisors (106040165834).

212080331662 is a wasteful number, since it uses less digits than its factorization.

212080331662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106040165833.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 212080331662 in words is "two hundred twelve billion, eighty million, three hundred thirty-one thousand, six hundred sixty-two".