212050903 has 2 divisors, whose sum is σ = 212050904. Its totient is φ = 212050902.

The previous prime is 212050789. The next prime is 212050907. The reversal of 212050903 is 309050212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212050903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212050907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106025451 + 106025452.

It is an arithmetic number, because the mean of its divisors is an integer number (106025452).

Almost surely, 2^212050903 is an apocalyptic number.

212050903 is a deficient number, since it is larger than the sum of its proper divisors (1).

212050903 is an equidigital number, since it uses as much as digits as its factorization.

212050903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 212050903 is about 14561.9676898419. The cubic root of 212050903 is about 596.3209153743.

The spelling of 212050903 in words is "two hundred twelve million, fifty thousand, nine hundred three".