12012221751286 has 4 divisors (see below), whose sum is σ = 18018332626932. Its totient is φ = 6006110875642.

The previous prime is 12012221751251. The next prime is 12012221751301. The reversal of 12012221751286 is 68215712221021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003055437820 + ... + 3003055437823.

It is an arithmetic number, because the mean of its divisors is an integer number (4504583156733).

Almost surely, 2^{12012221751286} is an apocalyptic number.

12012221751286 is a deficient number, since it is larger than the sum of its proper divisors (6006110875646).

12012221751286 is an equidigital number, since it uses as much as digits as its factorization.

12012221751286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006110875645.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 12012221751286 in words is "twelve trillion, twelve billion, two hundred twenty-one million, seven hundred fifty-one thousand, two hundred eighty-six".