12285768071237 has 4 divisors (see below), whose sum is σ = 12285837663660. Its totient is φ = 12285698478816.

The previous prime is 12285768071221. The next prime is 12285768071303. The reversal of 12285768071237 is 73217086758221.

It is a Cunningham number, because it is equal to 3505106²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1271540395876 + 11014227675361 = 1127626^2 + 3318769^2 .

It is a cyclic number.

It is not a de Polignac number, because 12285768071237 - 2⁴ = 12285768071221 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 (12285768871237) 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, 34530728 + ... + 34884705.

It is an arithmetic number, because the mean of its divisors is an integer number (3071459415915).

Almost surely, 2^{12285768071237} is an apocalyptic number.

It is an amenable number.

12285768071237 is a deficient number, since it is larger than the sum of its proper divisors (69592423).

12285768071237 is an equidigital number, since it uses as much as digits as its factorization.

12285768071237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69592422.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 12285768071237 in words is "twelve trillion, two hundred eighty-five billion, seven hundred sixty-eight million, seventy-one thousand, two hundred thirty-seven".