12601667100 has 72 divisors (see below), whose sum is σ = 39775454208. Its totient is φ = 3054948800.

The previous prime is 12601667093. The next prime is 12601667171. The reversal of 12601667100 is 176610621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1906044 + ... + 1912643.

It is an arithmetic number, because the mean of its divisors is an integer number (552436864).

Almost surely, 2^12601667100 is an apocalyptic number.

12601667100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12601667100 is an abundant number, since it is smaller than the sum of its proper divisors (27173787108).

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

12601667100 is a wasteful number, since it uses less digits than its factorization.

12601667100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818715 (or 3818708 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 12601667100 in words is "twelve billion, six hundred one million, six hundred sixty-seven thousand, one hundred".