212938003 has 2 divisors, whose sum is σ = 212938004. Its totient is φ = 212938002.

The previous prime is 212937983. The next prime is 212938009. The reversal of 212938003 is 300839212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212938003 is a prime.

It is not a weakly prime, because it can be changed into another prime (212938009) 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, 106469001 + 106469002.

It is an arithmetic number, because the mean of its divisors is an integer number (106469002).

Almost surely, 2^212938003 is an apocalyptic number.

212938003 is a deficient number, since it is larger than the sum of its proper divisors (1).

212938003 is an equidigital number, since it uses as much as digits as its factorization.

212938003 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 212938003 is about 14592.3953825272. The cubic root of 212938003 is about 597.1513139772.

The spelling of 212938003 in words is "two hundred twelve million, nine hundred thirty-eight thousand, three".