12619768162 has 4 divisors (see below), whose sum is σ = 18929652246. Its totient is φ = 6309884080.

The previous prime is 12619768159. The next prime is 12619768223. The reversal of 12619768162 is 26186791621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26186791621 = 71 ⋅368828051.

It can be written as a sum of positive squares in only one way, i.e., 12613311481 + 6456681 = 112309^2 + 2541^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3154942039 + ... + 3154942042.

Almost surely, 2^12619768162 is an apocalyptic number.

12619768162 is a deficient number, since it is larger than the sum of its proper divisors (6309884084).

12619768162 is an equidigital number, since it uses as much as digits as its factorization.

12619768162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309884083.

The product of its digits is 435456, while the sum is 49.

The spelling of 12619768162 in words is "twelve billion, six hundred nineteen million, seven hundred sixty-eight thousand, one hundred sixty-two".