212412619 has 2 divisors, whose sum is σ = 212412620. Its totient is φ = 212412618.

The previous prime is 212412611. The next prime is 212412643. The reversal of 212412619 is 916214212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212412619 - 2³ = 212412611 is a prime.

It is a super-2 number, since 2×212412619² = 90238241420878322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212412611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106206309 + 106206310.

It is an arithmetic number, because the mean of its divisors is an integer number (106206310).

Almost surely, 2^212412619 is an apocalyptic number.

212412619 is a deficient number, since it is larger than the sum of its proper divisors (1).

212412619 is an equidigital number, since it uses as much as digits as its factorization.

212412619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 212412619 is about 14574.3822853663. The cubic root of 212412619 is about 596.6597904322.

The spelling of 212412619 in words is "two hundred twelve million, four hundred twelve thousand, six hundred nineteen".