12326878305852 has 48 divisors (see below), whose sum is σ = 31397713385472. Its totient is φ = 3733012314880.

The previous prime is 12326878305827. The next prime is 12326878305857. The reversal of 12326878305852 is 25850387862321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326878305857) 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, 29861148 + ... + 30271139.

It is an arithmetic number, because the mean of its divisors is an integer number (654119028864).

Almost surely, 2^{12326878305852} is an apocalyptic number.

12326878305852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12326878305852 is an abundant number, since it is smaller than the sum of its proper divisors (19070835079620).

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

12326878305852 is a wasteful number, since it uses less digits than its factorization.

12326878305852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60133858 (or 60133856 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 12326878305852 in words is "twelve trillion, three hundred twenty-six billion, eight hundred seventy-eight million, three hundred five thousand, eight hundred fifty-two".