12210566654 has 24 divisors (see below), whose sum is σ = 21680941800. Its totient is φ = 5123313360.

The previous prime is 12210566651. The next prime is 12210566671. The reversal of 12210566654 is 45666501221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210566651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1937504 + ... + 1943795.

It is an arithmetic number, because the mean of its divisors is an integer number (903372575).

Almost surely, 2^12210566654 is an apocalyptic number.

12210566654 is a deficient number, since it is larger than the sum of its proper divisors (9470375146).

12210566654 is a wasteful number, since it uses less digits than its factorization.

12210566654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881336 (or 3881325 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 12210566654 in words is "twelve billion, two hundred ten million, five hundred sixty-six thousand, six hundred fifty-four".