12205516622 has 32 divisors (see below), whose sum is σ = 20950386912. Its totient is φ = 5283154944.

The previous prime is 12205516613. The next prime is 12205516637. The reversal of 12205516622 is 22661550221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76298 + ... + 173874.

It is an arithmetic number, because the mean of its divisors is an integer number (654699591).

Almost surely, 2^12205516622 is an apocalyptic number.

12205516622 is a deficient number, since it is larger than the sum of its proper divisors (8744870290).

12205516622 is a wasteful number, since it uses less digits than its factorization.

12205516622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97892.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 12205516622 in words is "twelve billion, two hundred five million, five hundred sixteen thousand, six hundred twenty-two".