12122661562 has 16 divisors (see below), whose sum is σ = 19846689984. Its totient is φ = 5507632000.

The previous prime is 12122661559. The next prime is 12122661613. The reversal of 12122661562 is 26516622121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86614 + ... + 178177.

It is an arithmetic number, because the mean of its divisors is an integer number (1240418124).

Almost surely, 2^12122661562 is an apocalyptic number.

12122661562 is a deficient number, since it is larger than the sum of its proper divisors (7724028422).

12122661562 is a wasteful number, since it uses less digits than its factorization.

12122661562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266885.

The product of its digits is 17280, while the sum is 34.

The spelling of 12122661562 in words is "twelve billion, one hundred twenty-two million, six hundred sixty-one thousand, five hundred sixty-two".