212012519 has 2 divisors, whose sum is σ = 212012520. Its totient is φ = 212012518.

The previous prime is 212012477. The next prime is 212012527. The reversal of 212012519 is 915210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012519 - 2⁸ = 212012263 is a prime.

It is a super-2 number, since 2×212012519² = 89898616425450722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 212012494 and 212012503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006259 + 106006260.

It is an arithmetic number, because the mean of its divisors is an integer number (106006260).

Almost surely, 2^212012519 is an apocalyptic number.

212012519 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012519 is an equidigital number, since it uses as much as digits as its factorization.

212012519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 212012519 is about 14560.6496764396. The cubic root of 212012519 is about 596.2849325624.

The spelling of 212012519 in words is "two hundred twelve million, twelve thousand, five hundred nineteen".