12153000778 has 8 divisors (see below), whose sum is σ = 18229968900. Its totient is φ = 6076344480.

The previous prime is 12153000721. The next prime is 12153000857. The reversal of 12153000778 is 87700035121.

It can be written as a sum of positive squares in 2 ways, for example, as 12152196169 + 804609 = 110237^2 + 897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115198 + ... + 193846.

Almost surely, 2^12153000778 is an apocalyptic number.

12153000778 is a deficient number, since it is larger than the sum of its proper divisors (6076968122).

12153000778 is an equidigital number, since it uses as much as digits as its factorization.

12153000778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155912.

The product of its (nonzero) digits is 11760, while the sum is 34.

Adding to 12153000778 its reverse (87700035121), we get a palindrome (99853035899).

The spelling of 12153000778 in words is "twelve billion, one hundred fifty-three million, seven hundred seventy-eight", and thus it is an aban number.