12882991802 has 4 divisors (see below), whose sum is σ = 19324487706. Its totient is φ = 6441495900.

The previous prime is 12882991769. The next prime is 12882991831. The reversal of 12882991802 is 20819928821.

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: 20819928821 = 40241 ⋅517381.

It can be written as a sum of positive squares in only one way, i.e., 7770598801 + 5112393001 = 88151^2 + 71501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220747949 + ... + 3220747952.

Almost surely, 2^12882991802 is an apocalyptic number.

12882991802 is a deficient number, since it is larger than the sum of its proper divisors (6441495904).

12882991802 is an equidigital number, since it uses as much as digits as its factorization.

12882991802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441495903.

The product of its (nonzero) digits is 331776, while the sum is 50.

The spelling of 12882991802 in words is "twelve billion, eight hundred eighty-two million, nine hundred ninety-one thousand, eight hundred two".