12368420064 has 864 divisors, whose sum is σ = 50068077696. Its totient is φ = 2952391680.

The previous prime is 12368420059. The next prime is 12368420069. The reversal of 12368420064 is 46002486321.

It is an interprime number because it is at equal distance from previous prime (12368420059) and next prime (12368420069).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12368420069) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 54486319 + ... + 54486545.

It is an arithmetic number, because the mean of its divisors is an integer number (57949164).

Almost surely, 2^12368420064 is an apocalyptic number.

12368420064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12368420064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25034038848).

12368420064 is an abundant number, since it is smaller than the sum of its proper divisors (37699657632).

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

12368420064 is a wasteful number, since it uses less digits than its factorization.

12368420064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 12368420064 in words is "twelve billion, three hundred sixty-eight million, four hundred twenty thousand, sixty-four".