12006610722 has 30 divisors (see below), whose sum is σ = 26906827233. Its totient is φ = 4001738688.

The previous prime is 12006610717. The next prime is 12006610729. The reversal of 12006610722 is 22701660021.

12006610722 is a `hidden beast` number, since 1 + 20 + 0 + 6 + 610 + 7 + 22 = 666.

12006610722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11108949201 + 897661521 = 105399^2 + 29961^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=77481.

It is a super-2 number, since 2×12006610722² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12006610729) 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 14 ways as a sum of consecutive naturals, for example, 1390354 + ... + 1398962.

Almost surely, 2^12006610722 is an apocalyptic number.

12006610722 is an abundant number, since it is smaller than the sum of its proper divisors (14900216511).

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

12006610722 is an frugal number, since it uses more digits than its factorization.

12006610722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17232 (or 8614 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 12006610722 in words is "twelve billion, six million, six hundred ten thousand, seven hundred twenty-two".