12857893814450 has 96 divisors (see below), whose sum is σ = 24329177832960. Its totient is φ = 5054882976000.

The previous prime is 12857893814407. The next prime is 12857893814453. The reversal of 12857893814450 is 5441839875821.

It is not an unprimeable number, because it can be changed into a prime (12857893814453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 788771300 + ... + 788787600.

It is an arithmetic number, because the mean of its divisors is an integer number (253428935760).

Almost surely, 2^{12857893814450} is an apocalyptic number.

12857893814450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12857893814450 is a deficient number, since it is larger than the sum of its proper divisors (11471284018510).

12857893814450 is a wasteful number, since it uses less digits than its factorization.

12857893814450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292 (or 17287 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 65.

The spelling of 12857893814450 in words is "twelve trillion, eight hundred fifty-seven billion, eight hundred ninety-three million, eight hundred fourteen thousand, four hundred fifty".