212500919 has 2 divisors, whose sum is σ = 212500920. Its totient is φ = 212500918.

The previous prime is 212500889. The next prime is 212500927. The reversal of 212500919 is 919005212.

212500919 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 a de Polignac number, because none of the positive numbers 2^k-212500919 is a prime.

It is a super-2 number, since 2×212500919² = 90313281151689122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212500891 and 212500900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212500219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106250459 + 106250460.

It is an arithmetic number, because the mean of its divisors is an integer number (106250460).

Almost surely, 2^212500919 is an apocalyptic number.

212500919 is a deficient number, since it is larger than the sum of its proper divisors (1).

212500919 is an equidigital number, since it uses as much as digits as its factorization.

212500919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 212500919 is about 14577.4112585191. The cubic root of 212500919 is about 596.7424562064.

The spelling of 212500919 in words is "two hundred twelve million, five hundred thousand, nine hundred nineteen".