12854131305320 has 64 divisors (see below), whose sum is σ = 29921200848000. Its totient is φ = 4964005363968.

The previous prime is 12854131305299. The next prime is 12854131305361. The reversal of 12854131305320 is 2350313145821.

It is a super-2 number, since 2×12854131305320² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16441451 + ... + 17205509.

It is an arithmetic number, because the mean of its divisors is an integer number (467518763250).

Almost surely, 2^{12854131305320} is an apocalyptic number.

12854131305320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12854131305320 is an abundant number, since it is smaller than the sum of its proper divisors (17067069542680).

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

12854131305320 is a wasteful number, since it uses less digits than its factorization.

12854131305320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778602 (or 778598 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 12854131305320 in words is "twelve trillion, eight hundred fifty-four billion, one hundred thirty-one million, three hundred five thousand, three hundred twenty".