12281404863 has 16 divisors (see below), whose sum is σ = 20154100736. Its totient is φ = 6478103520.

The previous prime is 12281404847. The next prime is 12281404897. The reversal of 12281404863 is 36840418221.

It is not a de Polignac number, because 12281404863 - 2⁴ = 12281404847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is the 110822-nd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12281404463) by changing a digit.

It is a nontrivial repunit in base 110821.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22493143 + ... + 22493688.

It is an arithmetic number, because the mean of its divisors is an integer number (1259631296).

Almost surely, 2^12281404863 is an apocalyptic number.

12281404863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12281404863 is a deficient number, since it is larger than the sum of its proper divisors (7872695873).

12281404863 is a wasteful number, since it uses less digits than its factorization.

12281404863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44986854.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 12281404863 in words is "twelve billion, two hundred eighty-one million, four hundred four thousand, eight hundred sixty-three".