212354003 has 4 divisors (see below), whose sum is σ = 212406048. Its totient is φ = 212301960.

The previous prime is 212353997. The next prime is 212354041. The reversal of 212354003 is 300453212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212354003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212351003) 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 3 ways as a sum of consecutive naturals, for example, 19328 + ... + 28253.

It is an arithmetic number, because the mean of its divisors is an integer number (53101512).

Almost surely, 2^212354003 is an apocalyptic number.

212354003 is a deficient number, since it is larger than the sum of its proper divisors (52045).

212354003 is an equidigital number, since it uses as much as digits as its factorization.

212354003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52044.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 212354003 is about 14572.3712209098. The cubic root of 212354003 is about 596.6049019358.

The spelling of 212354003 in words is "two hundred twelve million, three hundred fifty-four thousand, three".