212042467 has 16 divisors (see below), whose sum is σ = 262503360. Its totient is φ = 166787712.

The previous prime is 212042459. The next prime is 212042477. The reversal of 212042467 is 764240212.

It is a happy number.

It is not a de Polignac number, because 212042467 - 2³ = 212042459 is a prime.

It is a super-2 number, since 2×212042467² = 89924015622892178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212042407) 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 in 15 ways as a sum of consecutive naturals, for example, 9009 + ... + 22477.

It is an arithmetic number, because the mean of its divisors is an integer number (16406460).

Almost surely, 2^212042467 is an apocalyptic number.

212042467 is a deficient number, since it is larger than the sum of its proper divisors (50460893).

212042467 is a wasteful number, since it uses less digits than its factorization.

212042467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13662.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 212042467 is about 14561.6780283043. The cubic root of 212042467 is about 596.3130074775.

Adding to 212042467 its reverse (764240212), we get a palindrome (976282679).

The spelling of 212042467 in words is "two hundred twelve million, forty-two thousand, four hundred sixty-seven".