12151351612 has 24 divisors (see below), whose sum is σ = 21932366400. Its totient is φ = 5887521600.

The previous prime is 12151351601. The next prime is 12151351661. The reversal of 12151351612 is 21615315121.

12151351612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 300987 + ... + 338962.

It is an arithmetic number, because the mean of its divisors is an integer number (913848600).

Almost surely, 2^12151351612 is an apocalyptic number.

It is an amenable number.

12151351612 is a deficient number, since it is larger than the sum of its proper divisors (9781014788).

12151351612 is a wasteful number, since it uses less digits than its factorization.

12151351612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640101 (or 640099 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

Adding to 12151351612 its reverse (21615315121), we get a palindrome (33766666733).

The spelling of 12151351612 in words is "twelve billion, one hundred fifty-one million, three hundred fifty-one thousand, six hundred twelve".