12100880 has 40 divisors (see below), whose sum is σ = 30694464. Its totient is φ = 4400000.

The previous prime is 12100873. The next prime is 12100901. The reversal of 12100880 is 8800121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5996 + ... + 7755.

Almost surely, 2^12100880 is an apocalyptic number.

12100880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100880 is an abundant number, since it is smaller than the sum of its proper divisors (18593584).

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

12100880 is a wasteful number, since it uses less digits than its factorization.

12100880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775 (or 13769 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 12100880 is about 3478.6319149919. The cubic root of 12100880 is about 229.5826078357.

It can be divided in two parts, 12100 and 880, that multiplied together give a cube (10648000 = 220³).

The spelling of 12100880 in words is "twelve million, one hundred thousand, eight hundred eighty".