106212493 has 2 divisors, whose sum is σ = 106212494. Its totient is φ = 106212492.

The previous prime is 106212473. The next prime is 106212503. The reversal of 106212493 is 394212601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62678889 + 43533604 = 7917^2 + 6598^2 .

It is a cyclic number.

It is not a de Polignac number, because 106212493 - 2⁵ = 106212461 is a prime.

It is a super-2 number, since 2×106212493² = 22562187338550098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106212443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53106246 + 53106247.

It is an arithmetic number, because the mean of its divisors is an integer number (53106247).

Almost surely, 2^106212493 is an apocalyptic number.

It is an amenable number.

106212493 is a deficient number, since it is larger than the sum of its proper divisors (1).

106212493 is an equidigital number, since it uses as much as digits as its factorization.

106212493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 106212493 is about 10305.9445467167. The cubic root of 106212493 is about 473.5783799713.

The spelling of 106212493 in words is "one hundred six million, two hundred twelve thousand, four hundred ninety-three".