12671011700 has 18 divisors (see below), whose sum is σ = 27496095606. Its totient is φ = 5068404640.

The previous prime is 12671011699. The next prime is 12671011753. The reversal of 12671011700 is 711017621.

It can be written as a sum of positive squares in 3 ways, for example, as 357604 + 12670654096 = 598^2 + 112564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12671011700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63354959 + ... + 63355158.

It is an arithmetic number, because the mean of its divisors is an integer number (1527560867).

Almost surely, 2^12671011700 is an apocalyptic number.

12671011700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12671011700 is an abundant number, since it is smaller than the sum of its proper divisors (14825083906).

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

12671011700 is a wasteful number, since it uses less digits than its factorization.

12671011700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126710131 (or 126710124 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 26.

The spelling of 12671011700 in words is "twelve billion, six hundred seventy-one million, eleven thousand, seven hundred".