12965912662 has 4 divisors (see below), whose sum is σ = 19448868996. Its totient is φ = 6482956330.

The previous prime is 12965912591. The next prime is 12965912671. The reversal of 12965912662 is 26621956921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26621956921 = 7 ⋅3803136703.

It is a super-2 number, since 2×12965912662² (a number of 21 digits) contains 22 as substring.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3241478164 + ... + 3241478167.

It is an arithmetic number, because the mean of its divisors is an integer number (4862217249).

Almost surely, 2^12965912662 is an apocalyptic number.

12965912662 is a deficient number, since it is larger than the sum of its proper divisors (6482956334).

12965912662 is an equidigital number, since it uses as much as digits as its factorization.

12965912662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482956333.

The product of its digits is 699840, while the sum is 49.

The spelling of 12965912662 in words is "twelve billion, nine hundred sixty-five million, nine hundred twelve thousand, six hundred sixty-two".