12251591935 has 16 divisors (see below), whose sum is σ = 16089064992. Its totient is φ = 8882128000.

The previous prime is 12251591929. The next prime is 12251591939. The reversal of 12251591935 is 53919515221.

It is not a de Polignac number, because 12251591935 - 2²⁷ = 12117374207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12251591891 and 12251591900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251591939) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 333916 + ... + 368785.

It is an arithmetic number, because the mean of its divisors is an integer number (1005566562).

Almost surely, 2^12251591935 is an apocalyptic number.

12251591935 is a deficient number, since it is larger than the sum of its proper divisors (3837473057).

12251591935 is a wasteful number, since it uses less digits than its factorization.

12251591935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703034.

The product of its digits is 121500, while the sum is 43.

The spelling of 12251591935 in words is "twelve billion, two hundred fifty-one million, five hundred ninety-one thousand, nine hundred thirty-five".