12983685451 has 16 divisors (see below), whose sum is σ = 15105121920. Its totient is φ = 11029092480.

The previous prime is 12983685443. The next prime is 12983685457. The reversal of 12983685451 is 15458638921.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12983685451 - 2³ = 12983685443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12983685457) 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, 223761 + ... + 275746.

It is an arithmetic number, because the mean of its divisors is an integer number (944070120).

Almost surely, 2^12983685451 is an apocalyptic number.

12983685451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12983685451 is a deficient number, since it is larger than the sum of its proper divisors (2121436469).

12983685451 is a wasteful number, since it uses less digits than its factorization.

12983685451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499674.

The product of its digits is 2073600, while the sum is 52.

The spelling of 12983685451 in words is "twelve billion, nine hundred eighty-three million, six hundred eighty-five thousand, four hundred fifty-one".