12882197820 has 24 divisors (see below), whose sum is σ = 36070154064. Its totient is φ = 3435252736.

The previous prime is 12882197819. The next prime is 12882197821. The reversal of 12882197820 is 2879128821.

It is an interprime number because it is at equal distance from previous prime (12882197819) and next prime (12882197821).

It is a super-2 number, since 2×12882197820² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12882197820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12882197821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107351589 + ... + 107351708.

It is an arithmetic number, because the mean of its divisors is an integer number (1502923086).

Almost surely, 2^12882197820 is an apocalyptic number.

12882197820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12882197820 is an abundant number, since it is smaller than the sum of its proper divisors (23187956244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12882197820 is a wasteful number, since it uses less digits than its factorization.

12882197820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214703309 (or 214703307 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 12882197820 in words is "twelve billion, eight hundred eighty-two million, one hundred ninety-seven thousand, eight hundred twenty".