12259768950831 has 4 divisors (see below), whose sum is σ = 16346358601112. Its totient is φ = 8173179300552.

The previous prime is 12259768950811. The next prime is 12259768950841. The reversal of 12259768950831 is 13805986795221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12259768950831 - 2⁵ = 12259768950799 is a prime.

It is a super-2 number, since 2×12259768950831² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12259768950811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043294825136 + ... + 2043294825141.

It is an arithmetic number, because the mean of its divisors is an integer number (4086589650278).

Almost surely, 2^{12259768950831} is an apocalyptic number.

12259768950831 is a deficient number, since it is larger than the sum of its proper divisors (4086589650281).

12259768950831 is an equidigital number, since it uses as much as digits as its factorization.

12259768950831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086589650280.

The product of its (nonzero) digits is 65318400, while the sum is 66.

The spelling of 12259768950831 in words is "twelve trillion, two hundred fifty-nine billion, seven hundred sixty-eight million, nine hundred fifty thousand, eight hundred thirty-one".