12105653057 has 2 divisors, whose sum is σ = 12105653058. Its totient is φ = 12105653056.

The previous prime is 12105653039. The next prime is 12105653111. The reversal of 12105653057 is 75035650121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11865527041 + 240126016 = 108929^2 + 15496^2 .

It is a cyclic number.

It is not a de Polignac number, because 12105653057 - 2²² = 12101458753 is a prime.

It is not a weakly prime, because it can be changed into another prime (12105673057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052826528 + 6052826529.

It is an arithmetic number, because the mean of its divisors is an integer number (6052826529).

Almost surely, 2^12105653057 is an apocalyptic number.

It is an amenable number.

12105653057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105653057 is an equidigital number, since it uses as much as digits as its factorization.

12105653057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 12105653057 in words is "twelve billion, one hundred five million, six hundred fifty-three thousand, fifty-seven".