12272542357 has 2 divisors, whose sum is σ = 12272542358. Its totient is φ = 12272542356.

The previous prime is 12272542349. The next prime is 12272542363. The reversal of 12272542357 is 75324527221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11718928516 + 553613841 = 108254^2 + 23529^2 .

It is a cyclic number.

It is not a de Polignac number, because 12272542357 - 2³ = 12272542349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12272542057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6136271178 + 6136271179.

It is an arithmetic number, because the mean of its divisors is an integer number (6136271179).

Almost surely, 2^12272542357 is an apocalyptic number.

It is an amenable number.

12272542357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272542357 is an equidigital number, since it uses as much as digits as its factorization.

12272542357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 40.

The spelling of 12272542357 in words is "twelve billion, two hundred seventy-two million, five hundred forty-two thousand, three hundred fifty-seven".