12671473500 has 216 divisors, whose sum is σ = 46501496496. Its totient is φ = 2896286400.

The previous prime is 12671473499. The next prime is 12671473501. The reversal of 12671473500 is 537417621.

It is a happy number.

12671473500 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 147 + 3 + 500 = 666.

It is an interprime number because it is at equal distance from previous prime (12671473499) and next prime (12671473501).

It is a super-2 number, since 2×12671473500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671473501) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 191767 + ... + 249233.

It is an arithmetic number, because the mean of its divisors is an integer number (215284706).

Almost surely, 2^12671473500 is an apocalyptic number.

12671473500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12671473500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23250748248).

12671473500 is an abundant number, since it is smaller than the sum of its proper divisors (33830022996).

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

12671473500 is a wasteful number, since it uses less digits than its factorization.

12671473500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57506 (or 57484 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 12671473500 in words is "twelve billion, six hundred seventy-one million, four hundred seventy-three thousand, five hundred".