212440419 has 24 divisors (see below), whose sum is σ = 311622480. Its totient is φ = 139442688.

The previous prime is 212440411. The next prime is 212440429. The reversal of 212440419 is 914044212.

It is a happy number.

212440419 is a `hidden beast` number, since 2 + 1 + 244 + 0 + 419 = 666.

212440419 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 212440419 - 2³ = 212440411 is a prime.

It is a super-2 number, since 2×212440419² = 90261863249791122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212440392 and 212440401.

It is not an unprimeable number, because it can be changed into a prime (212440411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269544 + ... + 270330.

It is an arithmetic number, because the mean of its divisors is an integer number (12984270).

Almost surely, 2^212440419 is an apocalyptic number.

212440419 is a deficient number, since it is larger than the sum of its proper divisors (99182061).

212440419 is a wasteful number, since it uses less digits than its factorization.

212440419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 212440419 is about 14575.3359824053. The cubic root of 212440419 is about 596.6858190468.

The spelling of 212440419 in words is "two hundred twelve million, four hundred forty thousand, four hundred nineteen".