12857284298670 has 64 divisors (see below), whose sum is σ = 35342862160896. Its totient is φ = 2932377166080.

The previous prime is 12857284298633. The next prime is 12857284298743. The reversal of 12857284298670 is 7689248275821.

It is a super-2 number, since 2×12857284298670² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12857284298595 and 12857284298604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66889986 + ... + 67081925.

It is an arithmetic number, because the mean of its divisors is an integer number (552232221264).

Almost surely, 2^{12857284298670} is an apocalyptic number.

12857284298670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12857284298670 is an abundant number, since it is smaller than the sum of its proper divisors (22485577862226).

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

12857284298670 is a wasteful number, since it uses less digits than its factorization.

12857284298670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133972385.

The product of its (nonzero) digits is 216760320, while the sum is 69.

The spelling of 12857284298670 in words is "twelve trillion, eight hundred fifty-seven billion, two hundred eighty-four million, two hundred ninety-eight thousand, six hundred seventy".