12211601606 has 16 divisors (see below), whose sum is σ = 19287903600. Its totient is φ = 5782514688.

The previous prime is 12211601573. The next prime is 12211601609. The reversal of 12211601606 is 60610611221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211601609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65366 + ... + 169398.

It is an arithmetic number, because the mean of its divisors is an integer number (1205493975).

Almost surely, 2^12211601606 is an apocalyptic number.

12211601606 is a deficient number, since it is larger than the sum of its proper divisors (7076301994).

12211601606 is a wasteful number, since it uses less digits than its factorization.

12211601606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107143.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12211601606 in words is "twelve billion, two hundred eleven million, six hundred one thousand, six hundred six".