12251595668 has 12 divisors (see below), whose sum is σ = 23089545780. Its totient is φ = 5654582592.

The previous prime is 12251595667. The next prime is 12251595709. The reversal of 12251595668 is 86659515221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 697065604 + 11554530064 = 26402^2 + 107492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251595667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117803753 + ... + 117803856.

It is an arithmetic number, because the mean of its divisors is an integer number (1924128815).

Almost surely, 2^12251595668 is an apocalyptic number.

It is an amenable number.

12251595668 is a deficient number, since it is larger than the sum of its proper divisors (10837950112).

12251595668 is a wasteful number, since it uses less digits than its factorization.

12251595668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235607626 (or 235607624 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 50.

The spelling of 12251595668 in words is "twelve billion, two hundred fifty-one million, five hundred ninety-five thousand, six hundred sixty-eight".