12257091701 has 2 divisors, whose sum is σ = 12257091702. Its totient is φ = 12257091700.

The previous prime is 12257091641. The next prime is 12257091709. The reversal of 12257091701 is 10719075221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11145869476 + 1111222225 = 105574^2 + 33335^2 .

It is an emirp because it is prime and its reverse (10719075221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12257091701 - 2¹⁴ = 12257075317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12257091709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6128545850 + 6128545851.

It is an arithmetic number, because the mean of its divisors is an integer number (6128545851).

Almost surely, 2^12257091701 is an apocalyptic number.

It is an amenable number.

12257091701 is a deficient number, since it is larger than the sum of its proper divisors (1).

12257091701 is an equidigital number, since it uses as much as digits as its factorization.

12257091701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 35.

The spelling of 12257091701 in words is "twelve billion, two hundred fifty-seven million, ninety-one thousand, seven hundred one".