12245978287 has 8 divisors (see below), whose sum is σ = 12927446000. Its totient is φ = 11568204864.

The previous prime is 12245978273. The next prime is 12245978309. The reversal of 12245978287 is 78287954221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12245978287 - 2¹⁵ = 12245945519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245978207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916758 + ... + 930019.

It is an arithmetic number, because the mean of its divisors is an integer number (1615930750).

Almost surely, 2^12245978287 is an apocalyptic number.

12245978287 is a deficient number, since it is larger than the sum of its proper divisors (681467713).

12245978287 is a wasteful number, since it uses less digits than its factorization.

12245978287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847145.

The product of its digits is 4515840, while the sum is 55.

The spelling of 12245978287 in words is "twelve billion, two hundred forty-five million, nine hundred seventy-eight thousand, two hundred eighty-seven".