12145233195 has 24 divisors (see below), whose sum is σ = 21059610000. Its totient is φ = 6475035456.

The previous prime is 12145233193. The next prime is 12145233209. The reversal of 12145233195 is 59133254121.

It is a happy number.

12145233195 is a `hidden beast` number, since 1 + 2 + 14 + 523 + 31 + 95 = 666.

It is not a de Polignac number, because 12145233195 - 2¹ = 12145233193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12145233193) by changing a digit.

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, 74616 + ... + 172794.

It is an arithmetic number, because the mean of its divisors is an integer number (877483750).

Almost surely, 2^12145233195 is an apocalyptic number.

12145233195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12145233195 is a deficient number, since it is larger than the sum of its proper divisors (8914376805).

12145233195 is a wasteful number, since it uses less digits than its factorization.

12145233195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100939 (or 100936 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The spelling of 12145233195 in words is "twelve billion, one hundred forty-five million, two hundred thirty-three thousand, one hundred ninety-five".