12010722066 has 64 divisors (see below), whose sum is σ = 31152476160. Its totient is φ = 3358616400.

The previous prime is 12010721977. The next prime is 12010722079. The reversal of 12010722066 is 66022701021.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320260 + ... + 355791.

It is an arithmetic number, because the mean of its divisors is an integer number (486757440).

Almost surely, 2^12010722066 is an apocalyptic number.

12010722066 is an abundant number, since it is smaller than the sum of its proper divisors (19141754094).

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

12010722066 is a wasteful number, since it uses less digits than its factorization.

12010722066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676116 (or 676110 counting only the distinct ones).

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

The spelling of 12010722066 in words is "twelve billion, ten million, seven hundred twenty-two thousand, sixty-six".