212907703 has 2 divisors, whose sum is σ = 212907704. Its totient is φ = 212907702.

The previous prime is 212907691. The next prime is 212907719. The reversal of 212907703 is 307709212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212907703 - 2⁵ = 212907671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212907403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106453851 + 106453852.

It is an arithmetic number, because the mean of its divisors is an integer number (106453852).

Almost surely, 2^212907703 is an apocalyptic number.

212907703 is a deficient number, since it is larger than the sum of its proper divisors (1).

212907703 is an equidigital number, since it uses as much as digits as its factorization.

212907703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 212907703 is about 14591.3571335911. The cubic root of 212907703 is about 597.1229887639.

The spelling of 212907703 in words is "two hundred twelve million, nine hundred seven thousand, seven hundred three".