1210444523201 has 2 divisors, whose sum is σ = 1210444523202. Its totient is φ = 1210444523200.

The previous prime is 1210444523161. The next prime is 1210444523243. The reversal of 1210444523201 is 1023254440121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946191980176 + 264252543025 = 972724^2 + 514055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210444523201 - 2¹⁸ = 1210444261057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210444529201) 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, 605222261600 + 605222261601.

It is an arithmetic number, because the mean of its divisors is an integer number (605222261601).

Almost surely, 2^{1210444523201} is an apocalyptic number.

It is an amenable number.

1210444523201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210444523201 is an equidigital number, since it uses as much as digits as its factorization.

1210444523201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1210444523201 its reverse (1023254440121), we get a palindrome (2233698963322).

The spelling of 1210444523201 in words is "one trillion, two hundred ten billion, four hundred forty-four million, five hundred twenty-three thousand, two hundred one".