12439334830 has 16 divisors (see below), whose sum is σ = 24113172384. Its totient is φ = 4592985120.

The previous prime is 12439334783. The next prime is 12439334839. The reversal of 12439334830 is 3843393421.

It is a super-2 number, since 2×12439334830² (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 (12439334839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47843466 + ... + 47843725.

It is an arithmetic number, because the mean of its divisors is an integer number (1507073274).

Almost surely, 2^12439334830 is an apocalyptic number.

12439334830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12439334830 is a deficient number, since it is larger than the sum of its proper divisors (11673837554).

12439334830 is a wasteful number, since it uses less digits than its factorization.

12439334830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95687211.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 12439334830 in words is "twelve billion, four hundred thirty-nine million, three hundred thirty-four thousand, eight hundred thirty".