12157110 has 96 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 2654784.

The previous prime is 12157069. The next prime is 12157129. The reversal of 12157110 is 1175121.

12157110 = T₂₆₀ + T₂₆₁ + ... + T₄₄₈.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14071 + ... + 14909.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

Almost surely, 2^12157110 is an apocalyptic number.

12157110 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 12157110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).

12157110 is an abundant number, since it is smaller than the sum of its proper divisors (25582410).

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

12157110 is a wasteful number, since it uses less digits than its factorization.

12157110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 12157110 is about 3486.7047480393. The cubic root of 12157110 is about 229.9376642664.

The spelling of 12157110 in words is "twelve million, one hundred fifty-seven thousand, one hundred ten".