12884071851 has 96 divisors (see below), whose sum is σ = 23153614848. Its totient is φ = 6742517760.

The previous prime is 12884071819. The next prime is 12884071859. The reversal of 12884071851 is 15817048821.

It is not a de Polignac number, because 12884071851 - 2⁵ = 12884071819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12884071797 and 12884071806.

It is not an unprimeable number, because it can be changed into a prime (12884071859) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4355665 + ... + 4358621.

It is an arithmetic number, because the mean of its divisors is an integer number (241183488).

Almost surely, 2^12884071851 is an apocalyptic number.

12884071851 is a deficient number, since it is larger than the sum of its proper divisors (10269542997).

12884071851 is a wasteful number, since it uses less digits than its factorization.

12884071851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 12884071851 in words is "twelve billion, eight hundred eighty-four million, seventy-one thousand, eight hundred fifty-one".