210212919 has 12 divisors (see below), whose sum is σ = 347018256. Its totient is φ = 120121632.

The previous prime is 210212879. The next prime is 210212921. The reversal of 210212919 is 919212012.

210212919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210212919 - 2¹⁷ = 210081847 is a prime.

It is a super-2 number, since 2×210212919² = 88378942629001122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210212892 and 210212901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1668294 + ... + 1668419.

It is an arithmetic number, because the mean of its divisors is an integer number (28918188).

Almost surely, 2^210212919 is an apocalyptic number.

210212919 is a deficient number, since it is larger than the sum of its proper divisors (136805337).

210212919 is a wasteful number, since it uses less digits than its factorization.

210212919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336726 (or 3336723 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 210212919 is about 14498.7212884447. The cubic root of 210212919 is about 594.5930121711.

The spelling of 210212919 in words is "two hundred ten million, two hundred twelve thousand, nine hundred nineteen".