10212578398103 has 2 divisors, whose sum is σ = 10212578398104. Its totient is φ = 10212578398102.

The previous prime is 10212578398093. The next prime is 10212578398117. The reversal of 10212578398103 is 30189387521201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212578398103 - 2¹⁸ = 10212578135959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212578398303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106289199051 + 5106289199052.

It is an arithmetic number, because the mean of its divisors is an integer number (5106289199052).

Almost surely, 2^{10212578398103} is an apocalyptic number.

10212578398103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212578398103 is an equidigital number, since it uses as much as digits as its factorization.

10212578398103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 10212578398103 in words is "ten trillion, two hundred twelve billion, five hundred seventy-eight million, three hundred ninety-eight thousand, one hundred three".