10212020420237 has 2 divisors, whose sum is σ = 10212020420238. Its totient is φ = 10212020420236.

The previous prime is 10212020420179. The next prime is 10212020420281. The reversal of 10212020420237 is 73202402021201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6581513178916 + 3630507241321 = 2565446^2 + 1905389^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212020420237 - 2²⁸ = 10211751984781 is a prime.

It is a super-2 number, since 2×10212020420237² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212020420137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106010210118 + 5106010210119.

It is an arithmetic number, because the mean of its divisors is an integer number (5106010210119).

Almost surely, 2^{10212020420237} is an apocalyptic number.

It is an amenable number.

10212020420237 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212020420237 is an equidigital number, since it uses as much as digits as its factorization.

10212020420237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 10212020420237 its reverse (73202402021201), we get a palindrome (83414422441438).

The spelling of 10212020420237 in words is "ten trillion, two hundred twelve billion, twenty million, four hundred twenty thousand, two hundred thirty-seven".