12812493616 has 40 divisors (see below), whose sum is σ = 27132801584. Its totient is φ = 5825191680.

The previous prime is 12812493613. The next prime is 12812493641. The reversal of 12812493616 is 61639421821.

It is not an unprimeable number, because it can be changed into a prime (12812493613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445755 + ... + 473626.

Almost surely, 2^12812493616 is an apocalyptic number.

12812493616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12812493616 is an abundant number, since it is smaller than the sum of its proper divisors (14320307968).

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

12812493616 is a wasteful number, since it uses less digits than its factorization.

12812493616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919469 (or 919463 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The spelling of 12812493616 in words is "twelve billion, eight hundred twelve million, four hundred ninety-three thousand, six hundred sixteen".