1232200487537 has 2 divisors, whose sum is σ = 1232200487538. Its totient is φ = 1232200487536.

The previous prime is 1232200487519. The next prime is 1232200487569. The reversal of 1232200487537 is 7357840022321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228231361536 + 3969126001 = 1108256^2 + 63001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232200487537 - 2¹⁸ = 1232200225393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232200487437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616100243768 + 616100243769.

It is an arithmetic number, because the mean of its divisors is an integer number (616100243769).

Almost surely, 2^{1232200487537} is an apocalyptic number.

It is an amenable number.

1232200487537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232200487537 is an equidigital number, since it uses as much as digits as its factorization.

1232200487537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 1232200487537 in words is "one trillion, two hundred thirty-two billion, two hundred million, four hundred eighty-seven thousand, five hundred thirty-seven".