10212789573457 has 2 divisors, whose sum is σ = 10212789573458. Its totient is φ = 10212789573456.

The previous prime is 10212789573439. The next prime is 10212789573479. The reversal of 10212789573457 is 75437598721201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7192566154816 + 3020223418641 = 2681896^2 + 1737879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212789573457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212789573395 and 10212789573404.

It is not a weakly prime, because it can be changed into another prime (10212789573487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106394786728 + 5106394786729.

It is an arithmetic number, because the mean of its divisors is an integer number (5106394786729).

Almost surely, 2^{10212789573457} is an apocalyptic number.

It is an amenable number.

10212789573457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212789573457 is an equidigital number, since it uses as much as digits as its factorization.

10212789573457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 10212789573457 in words is "ten trillion, two hundred twelve billion, seven hundred eighty-nine million, five hundred seventy-three thousand, four hundred fifty-seven".