12882470781 has 16 divisors (see below), whose sum is σ = 17633968128. Its totient is φ = 8361558000.

The previous prime is 12882470779. The next prime is 12882470789. The reversal of 12882470781 is 18707428821.

It is not a de Polignac number, because 12882470781 - 2¹ = 12882470779 is a prime.

It is a super-2 number, since 2×12882470781² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12882470781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12882470789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212245 + ... + 266106.

It is an arithmetic number, because the mean of its divisors is an integer number (1102123008).

Almost surely, 2^12882470781 is an apocalyptic number.

It is an amenable number.

12882470781 is a deficient number, since it is larger than the sum of its proper divisors (4751497347).

12882470781 is a wasteful number, since it uses less digits than its factorization.

12882470781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478592.

The product of its (nonzero) digits is 401408, while the sum is 48.

The spelling of 12882470781 in words is "twelve billion, eight hundred eighty-two million, four hundred seventy thousand, seven hundred eighty-one".