12258961362 has 30 divisors (see below), whose sum is σ = 27472312263. Its totient is φ = 4085850708.

The previous prime is 12258961339. The next prime is 12258961381. The reversal of 12258961362 is 26316985221.

12258961362 is a `hidden beast` number, since 1 + 2 + 2 + 589 + 6 + 1 + 3 + 62 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6129480681 + 6129480681 = 78291^2 + 78291^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78291.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1404889 + ... + 1413587.

Almost surely, 2^12258961362 is an apocalyptic number.

12258961362 is an abundant number, since it is smaller than the sum of its proper divisors (15213350901).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12258961362 is an frugal number, since it uses more digits than its factorization.

12258961362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17412 (or 8704 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 12258961362 in words is "twelve billion, two hundred fifty-eight million, nine hundred sixty-one thousand, three hundred sixty-two".