12078229801 has 27 divisors (see below), whose sum is σ = 13545849303. Its totient is φ = 10761505920.

The previous prime is 12078229763. The next prime is 12078229843. The reversal of 12078229801 is 10892287021.

The square root of 12078229801 is 109901.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5423586025 + 6654643776 = 73645^2 + 81576^2 .

It is not a de Polignac number, because 12078229801 - 2¹¹ = 12078227753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12078224801) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 117264316 + ... + 117264418.

Almost surely, 2^12078229801 is an apocalyptic number.

12078229801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12078229801 is the 109901-st square number.

12078229801 is the 54951-st centered octagonal number.

It is an amenable number.

12078229801 is a deficient number, since it is larger than the sum of its proper divisors (1467619502).

12078229801 is an frugal number, since it uses more digits than its factorization.

12078229801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 12078229801 in words is "twelve billion, seventy-eight million, two hundred twenty-nine thousand, eight hundred one".