1210432324261 has 2 divisors, whose sum is σ = 1210432324262. Its totient is φ = 1210432324260.

The previous prime is 1210432324237. The next prime is 1210432324307. The reversal of 1210432324261 is 1624232340121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631022108161 + 579410216100 = 794369^2 + 761190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210432324261 - 2¹⁵ = 1210432291493 is a prime.

It is a super-2 number, since 2×1210432324261² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210432322261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605216162130 + 605216162131.

It is an arithmetic number, because the mean of its divisors is an integer number (605216162131).

Almost surely, 2^{1210432324261} is an apocalyptic number.

It is an amenable number.

1210432324261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210432324261 is an equidigital number, since it uses as much as digits as its factorization.

1210432324261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1210432324261 its reverse (1624232340121), we get a palindrome (2834664664382).

The spelling of 1210432324261 in words is "one trillion, two hundred ten billion, four hundred thirty-two million, three hundred twenty-four thousand, two hundred sixty-one".