12132124457 has 2 divisors, whose sum is σ = 12132124458. Its totient is φ = 12132124456.

The previous prime is 12132124427. The next prime is 12132124489. The reversal of 12132124457 is 75442123121.

It is a happy number.

It is an a-pointer prime, because the next prime (12132124489) can be obtained adding 12132124457 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10473680281 + 1658444176 = 102341^2 + 40724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132124457 - 2⁸ = 12132124201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12132124427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066062228 + 6066062229.

It is an arithmetic number, because the mean of its divisors is an integer number (6066062229).

Almost surely, 2^12132124457 is an apocalyptic number.

It is an amenable number.

12132124457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132124457 is an equidigital number, since it uses as much as digits as its factorization.

12132124457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

Adding to 12132124457 its reverse (75442123121), we get a palindrome (87574247578).

The spelling of 12132124457 in words is "twelve billion, one hundred thirty-two million, one hundred twenty-four thousand, four hundred fifty-seven".