320223134212 has 6 divisors (see below), whose sum is σ = 560390484878. Its totient is φ = 160111567104.

The previous prime is 320223134177. The next prime is 320223134263. The reversal of 320223134212 is 212431322023.

It can be written as a sum of positive squares in only one way, i.e., 286841651776 + 33381482436 = 535576^2 + 182706^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40027891773 + ... + 40027891780.

Almost surely, 2^320223134212 is an apocalyptic number.

It is an amenable number.

320223134212 is a deficient number, since it is larger than the sum of its proper divisors (240167350666).

320223134212 is a wasteful number, since it uses less digits than its factorization.

320223134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80055783557 (or 80055783555 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 320223134212 its reverse (212431322023), we get a palindrome (532654456235).

The spelling of 320223134212 in words is "three hundred twenty billion, two hundred twenty-three million, one hundred thirty-four thousand, two hundred twelve".