12009621046 has 8 divisors (see below), whose sum is σ = 18014904720. Its totient is φ = 6004652808.

The previous prime is 12009621037. The next prime is 12009621047. The reversal of 12009621046 is 64012690021.

12009621046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12009621046² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12009620999 and 12009621017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12009621047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 81735 + ... + 175213.

It is an arithmetic number, because the mean of its divisors is an integer number (2251863090).

Almost surely, 2^12009621046 is an apocalyptic number.

12009621046 is a deficient number, since it is larger than the sum of its proper divisors (6005283674).

12009621046 is an equidigital number, since it uses as much as digits as its factorization.

12009621046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157718.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 12009621046 in words is "twelve billion, nine million, six hundred twenty-one thousand, forty-six".