12018243270 has 32 divisors (see below), whose sum is σ = 31465946880. Its totient is φ = 2913513440.

The previous prime is 12018243257. The next prime is 12018243287. The reversal of 12018243270 is 7234281021.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 18209130 + ... + 18209789.

It is an arithmetic number, because the mean of its divisors is an integer number (983310840).

Almost surely, 2^12018243270 is an apocalyptic number.

12018243270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12018243270 is an abundant number, since it is smaller than the sum of its proper divisors (19447703610).

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

12018243270 is a wasteful number, since it uses less digits than its factorization.

12018243270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36418940.

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 12018243270 in words is "twelve billion, eighteen million, two hundred forty-three thousand, two hundred seventy".