12368121064 has 64 divisors (see below), whose sum is σ = 25598442240. Its totient is φ = 5566544640.

The previous prime is 12368121019. The next prime is 12368121067. The reversal of 12368121064 is 46012186321.

It is not an unprimeable number, because it can be changed into a prime (12368121067) 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, 1378834 + ... + 1387774.

It is an arithmetic number, because the mean of its divisors is an integer number (399975660).

Almost surely, 2^12368121064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12368121064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12799221120).

12368121064 is an abundant number, since it is smaller than the sum of its proper divisors (13230321176).

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

12368121064 is a wasteful number, since it uses less digits than its factorization.

12368121064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9290 (or 9286 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 12368121064 in words is "twelve billion, three hundred sixty-eight million, one hundred twenty-one thousand, sixty-four".