13220112082 has 4 divisors (see below), whose sum is σ = 19830168126. Its totient is φ = 6610056040.

The previous prime is 13220112077. The next prime is 13220112083. The reversal of 13220112082 is 28021102231.

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., 9313987081 + 3906125001 = 96509^2 + 62499^2 .

It is not an unprimeable number, because it can be changed into a prime (13220112083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305028019 + ... + 3305028022.

Almost surely, 2^13220112082 is an apocalyptic number.

13220112082 is a deficient number, since it is larger than the sum of its proper divisors (6610056044).

13220112082 is an equidigital number, since it uses as much as digits as its factorization.

13220112082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610056043.

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 13220112082 in words is "thirteen billion, two hundred twenty million, one hundred twelve thousand, eighty-two".