1210002120053 has 2 divisors, whose sum is σ = 1210002120054. Its totient is φ = 1210002120052.

The previous prime is 1210002120001. The next prime is 1210002120077. The reversal of 1210002120053 is 3500212000121.

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., 1006905881809 + 203096238244 = 1003447^2 + 450662^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210002120053 - 2³² = 1205707152757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210002170053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605001060026 + 605001060027.

It is an arithmetic number, because the mean of its divisors is an integer number (605001060027).

Almost surely, 2^{1210002120053} is an apocalyptic number.

It is an amenable number.

1210002120053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210002120053 is an equidigital number, since it uses as much as digits as its factorization.

1210002120053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 1210002120053 its reverse (3500212000121), we get a palindrome (4710214120174).

The spelling of 1210002120053 in words is "one trillion, two hundred ten billion, two million, one hundred twenty thousand, fifty-three".