12006500190 has 32 divisors (see below), whose sum is σ = 28843623936. Its totient is φ = 3198619680.

The previous prime is 12006500183. The next prime is 12006500203. The reversal of 12006500190 is 9100560021.

It is a super-2 number, since 2×12006500190² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12006500190.

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 15 ways as a sum of consecutive naturals, for example, 163162 + ... + 225021.

It is an arithmetic number, because the mean of its divisors is an integer number (901363248).

Almost surely, 2^12006500190 is an apocalyptic number.

12006500190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12006500190 is an abundant number, since it is smaller than the sum of its proper divisors (16837123746).

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

12006500190 is a wasteful number, since it uses less digits than its factorization.

12006500190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389224.

The product of its (nonzero) digits is 540, while the sum is 24.

The spelling of 12006500190 in words is "twelve billion, six million, five hundred thousand, one hundred ninety".