12260689984 has 21 divisors (see below), whose sum is σ = 24331564621. Its totient is φ = 6129902080.

The previous prime is 12260689957. The next prime is 12260689993. The reversal of 12260689984 is 48998606221.

The square root of 12260689984 is 110728.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3884779584 + 8375910400 = 62328^2 + 91520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 878904 + ... + 892744.

Almost surely, 2^12260689984 is an apocalyptic number.

12260689984 is the 110728-th square number.

It is an amenable number.

12260689984 is a deficient number, since it is larger than the sum of its proper divisors (12070874637).

12260689984 is an frugal number, since it uses more digits than its factorization.

12260689984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27694 (or 13843 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

It can be divided in two parts, 12260 and 689984, that added together give a square (702244 = 838²).

The spelling of 12260689984 in words is "twelve billion, two hundred sixty million, six hundred eighty-nine thousand, nine hundred eighty-four".