212013121753 has 2 divisors, whose sum is σ = 212013121754. Its totient is φ = 212013121752.

The previous prime is 212013121703. The next prime is 212013121799. The reversal of 212013121753 is 357121310212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201253623769 + 10759497984 = 448613^2 + 103728^2 .

It is a cyclic number.

It is not a de Polignac number, because 212013121753 - 2²⁹ = 211476250841 is a prime.

It is not a weakly prime, because it can be changed into another prime (212013121703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006560876 + 106006560877.

It is an arithmetic number, because the mean of its divisors is an integer number (106006560877).

Almost surely, 2^212013121753 is an apocalyptic number.

It is an amenable number.

212013121753 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013121753 is an equidigital number, since it uses as much as digits as its factorization.

212013121753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 212013121753 its reverse (357121310212), we get a palindrome (569134431965).

The spelling of 212013121753 in words is "two hundred twelve billion, thirteen million, one hundred twenty-one thousand, seven hundred fifty-three".