12842805831 has 16 divisors (see below), whose sum is σ = 18271914240. Its totient is φ = 8000130240.

The previous prime is 12842805791. The next prime is 12842805853. The reversal of 12842805831 is 13850824821.

It is a de Polignac number, because none of the positive numbers 2^k-12842805831 is a prime.

It is a super-2 number, since 2×12842805831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12842805881) 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, 1539075 + ... + 1547396.

It is an arithmetic number, because the mean of its divisors is an integer number (1141994640).

Almost surely, 2^12842805831 is an apocalyptic number.

12842805831 is a deficient number, since it is larger than the sum of its proper divisors (5429108409).

12842805831 is a wasteful number, since it uses less digits than its factorization.

12842805831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086566.

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 12842805831 in words is "twelve billion, eight hundred forty-two million, eight hundred five thousand, eight hundred thirty-one".