212498903 has 2 divisors, whose sum is σ = 212498904. Its totient is φ = 212498902.

The previous prime is 212498843. The next prime is 212498911. The reversal of 212498903 is 309894212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212498903 - 2¹⁶ = 212433367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212498003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106249451 + 106249452.

It is an arithmetic number, because the mean of its divisors is an integer number (106249452).

Almost surely, 2^212498903 is an apocalyptic number.

212498903 is a deficient number, since it is larger than the sum of its proper divisors (1).

212498903 is an equidigital number, since it uses as much as digits as its factorization.

212498903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 212498903 is about 14577.3421102751. The cubic root of 212498903 is about 596.7405690983.

The spelling of 212498903 in words is "two hundred twelve million, four hundred ninety-eight thousand, nine hundred three".