12128471190 has 48 divisors (see below), whose sum is σ = 34400757456. Its totient is φ = 2940235200.

The previous prime is 12128471189. The next prime is 12128471209. The reversal of 12128471190 is 9117482121.

12128471190 is a `hidden beast` number, since 121 + 284 + 71 + 190 = 666.

12128471190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12128471190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6124501 + ... + 6126480.

It is an arithmetic number, because the mean of its divisors is an integer number (716682447).

Almost surely, 2^12128471190 is an apocalyptic number.

12128471190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12128471190 is an abundant number, since it is smaller than the sum of its proper divisors (22272286266).

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

12128471190 is a wasteful number, since it uses less digits than its factorization.

12128471190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12251005 (or 12251002 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 12128471190 in words is "twelve billion, one hundred twenty-eight million, four hundred seventy-one thousand, one hundred ninety".