212393507 has 2 divisors, whose sum is σ = 212393508. Its totient is φ = 212393506.

The previous prime is 212393501. The next prime is 212393509. The reversal of 212393507 is 705393212.

212393507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212393507 - 2⁶ = 212393443 is a prime.

It is a super-2 number, since 2×212393507² = 90222003631518098, which contains 22 as substring.

Together with 212393509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212393501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106196753 + 106196754.

It is an arithmetic number, because the mean of its divisors is an integer number (106196754).

Almost surely, 2^212393507 is an apocalyptic number.

212393507 is a deficient number, since it is larger than the sum of its proper divisors (1).

212393507 is an equidigital number, since it uses as much as digits as its factorization.

212393507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 212393507 is about 14573.7265996038. The cubic root of 212393507 is about 596.6418949105.

The spelling of 212393507 in words is "two hundred twelve million, three hundred ninety-three thousand, five hundred seven".