212020003 has 8 divisors (see below), whose sum is σ = 238256928. Its totient is φ = 187201344.

The previous prime is 212020001. The next prime is 212020009. The reversal of 212020003 is 300020212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212020003 - 2¹ = 212020001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212020001) 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 7 ways as a sum of consecutive naturals, for example, 354250 + ... + 354847.

It is an arithmetic number, because the mean of its divisors is an integer number (29782116).

Almost surely, 2^212020003 is an apocalyptic number.

212020003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212020003 is a deficient number, since it is larger than the sum of its proper divisors (26236925).

212020003 is a wasteful number, since it uses less digits than its factorization.

212020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709133.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 212020003 is about 14560.9066681989. The cubic root of 212020003 is about 596.2919487266.

Adding to 212020003 its reverse (300020212), we get a palindrome (512040215).

The spelling of 212020003 in words is "two hundred twelve million, twenty thousand, three".