10212144121901 has 2 divisors, whose sum is σ = 10212144121902. Its totient is φ = 10212144121900.

The previous prime is 10212144121891. The next prime is 10212144121969. The reversal of 10212144121901 is 10912144121201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6697231585801 + 3514912536100 = 2587901^2 + 1874810^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212144121901 - 2²⁶ = 10212077013037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212144127901) 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, 5106072060950 + 5106072060951.

It is an arithmetic number, because the mean of its divisors is an integer number (5106072060951).

Almost surely, 2^{10212144121901} is an apocalyptic number.

It is an amenable number.

10212144121901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212144121901 is an equidigital number, since it uses as much as digits as its factorization.

10212144121901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 10212144121901 in words is "ten trillion, two hundred twelve billion, one hundred forty-four million, one hundred twenty-one thousand, nine hundred one".