12963222106 has 4 divisors (see below), whose sum is σ = 19444833162. Its totient is φ = 6481611052.

The previous prime is 12963222091. The next prime is 12963222127. The reversal of 12963222106 is 60122236921.

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., 8903620881 + 4059601225 = 94359^2 + 63715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240805525 + ... + 3240805528.

Almost surely, 2^12963222106 is an apocalyptic number.

12963222106 is a deficient number, since it is larger than the sum of its proper divisors (6481611056).

12963222106 is an equidigital number, since it uses as much as digits as its factorization.

12963222106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481611055.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 12963222106 in words is "twelve billion, nine hundred sixty-three million, two hundred twenty-two thousand, one hundred six".