212042619 has 6 divisors (see below), whose sum is σ = 306283796. Its totient is φ = 141361740.

The previous prime is 212042609. The next prime is 212042651. The reversal of 212042619 is 916240212.

212042619 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 42 + 619 = 666.

It is not a de Polignac number, because 212042619 - 2⁵ = 212042587 is a prime.

It is a super-2 number, since 2×212042619² = 89924144544758322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212042592 and 212042601.

It is not an unprimeable number, because it can be changed into a prime (212042609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11780137 + ... + 11780154.

Almost surely, 2^212042619 is an apocalyptic number.

212042619 is a deficient number, since it is larger than the sum of its proper divisors (94241177).

212042619 is a wasteful number, since it uses less digits than its factorization.

212042619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23560297 (or 23560294 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 212042619 is about 14561.6832474821. The cubic root of 212042619 is about 596.3131499640.

The spelling of 212042619 in words is "two hundred twelve million, forty-two thousand, six hundred nineteen".