12334294638 has 24 divisors (see below), whose sum is σ = 28130848200. Its totient is φ = 3895040304.

The previous prime is 12334294613. The next prime is 12334294639. The reversal of 12334294638 is 83649243321.

12334294638 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 4 + 2 + 9 + 4 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12334294593 and 12334294602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12334294639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18032253 + ... + 18032936.

It is an arithmetic number, because the mean of its divisors is an integer number (1172118675).

Almost surely, 2^12334294638 is an apocalyptic number.

12334294638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12334294638 is an abundant number, since it is smaller than the sum of its proper divisors (15796553562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12334294638 is a wasteful number, since it uses less digits than its factorization.

12334294638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36065216 (or 36065213 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 12334294638 in words is "twelve billion, three hundred thirty-four million, two hundred ninety-four thousand, six hundred thirty-eight".