12684134970 has 96 divisors (see below), whose sum is σ = 35553772800. Its totient is φ = 3118891392.

The previous prime is 12684134963. The next prime is 12684134989. The reversal of 12684134970 is 7943148621.

12684134970 is a `hidden beast` number, since 1 + 268 + 41 + 349 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1186911 + ... + 1197549.

It is an arithmetic number, because the mean of its divisors is an integer number (370351800).

Almost surely, 2^12684134970 is an apocalyptic number.

12684134970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12684134970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17776886400).

12684134970 is an abundant number, since it is smaller than the sum of its proper divisors (22869637830).

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

12684134970 is a wasteful number, since it uses less digits than its factorization.

12684134970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684 (or 11681 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 12684134970 in words is "twelve billion, six hundred eighty-four million, one hundred thirty-four thousand, nine hundred seventy".