10212011210257 has 2 divisors, whose sum is σ = 10212011210258. Its totient is φ = 10212011210256.

The previous prime is 10212011210221. The next prime is 10212011210287. The reversal of 10212011210257 is 75201211021201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8879351070976 + 1332660139281 = 2979824^2 + 1154409^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212011210257 - 2⁷ = 10212011210129 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212011210287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106005605128 + 5106005605129.

It is an arithmetic number, because the mean of its divisors is an integer number (5106005605129).

Almost surely, 2^{10212011210257} is an apocalyptic number.

It is an amenable number.

10212011210257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212011210257 is an equidigital number, since it uses as much as digits as its factorization.

10212011210257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 10212011210257 its reverse (75201211021201), we get a palindrome (85413222231458).

The spelling of 10212011210257 in words is "ten trillion, two hundred twelve billion, eleven million, two hundred ten thousand, two hundred fifty-seven".