12151822768 has 20 divisors (see below), whose sum is σ = 24929107560. Its totient is φ = 5718504704.

The previous prime is 12151822703. The next prime is 12151822769. The reversal of 12151822768 is 86722815121.

It is not an unprimeable number, because it can be changed into a prime (12151822769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22337638 + ... + 22338181.

It is an arithmetic number, because the mean of its divisors is an integer number (1246455378).

Almost surely, 2^12151822768 is an apocalyptic number.

It is an amenable number.

12151822768 is an abundant number, since it is smaller than the sum of its proper divisors (12777284792).

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

12151822768 is a wasteful number, since it uses less digits than its factorization.

12151822768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44675844 (or 44675838 counting only the distinct ones).

The product of its digits is 107520, while the sum is 43.

The spelling of 12151822768 in words is "twelve billion, one hundred fifty-one million, eight hundred twenty-two thousand, seven hundred sixty-eight".