212042459 has 2 divisors, whose sum is σ = 212042460. Its totient is φ = 212042458.

The previous prime is 212042437. The next prime is 212042477. The reversal of 212042459 is 954240212.

212042459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212042459 - 2¹² = 212038363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212042419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106021229 + 106021230.

It is an arithmetic number, because the mean of its divisors is an integer number (106021230).

Almost surely, 2^212042459 is an apocalyptic number.

212042459 is a deficient number, since it is larger than the sum of its proper divisors (1).

212042459 is an equidigital number, since it uses as much as digits as its factorization.

212042459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 212042459 is about 14561.6777536107. The cubic root of 212042459 is about 596.3129999782.

The spelling of 212042459 in words is "two hundred twelve million, forty-two thousand, four hundred fifty-nine".