212042463 has 4 divisors (see below), whose sum is σ = 282723288. Its totient is φ = 141361640.

The previous prime is 212042459. The next prime is 212042477. The reversal of 212042463 is 364240212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212042463 - 2² = 212042459 is a prime.

It is a super-2 number, since 2×212042463² = 89924012230212738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212042063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35340408 + ... + 35340413.

It is an arithmetic number, because the mean of its divisors is an integer number (70680822).

Almost surely, 2^212042463 is an apocalyptic number.

212042463 is a deficient number, since it is larger than the sum of its proper divisors (70680825).

212042463 is an equidigital number, since it uses as much as digits as its factorization.

212042463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70680824.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 212042463 is about 14561.6778909575. The cubic root of 212042463 is about 596.3130037279.

Adding to 212042463 its reverse (364240212), we get a palindrome (576282675).

The spelling of 212042463 in words is "two hundred twelve million, forty-two thousand, four hundred sixty-three".