212021003003 has 4 divisors (see below), whose sum is σ = 212114447760. Its totient is φ = 211927558248.

The previous prime is 212021002981. The next prime is 212021003011. The reversal of 212021003003 is 300300120212.

It is a happy number.

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 212021003003 - 2²² = 212016808699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021003083) 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, 46718975 + ... + 46723512.

It is an arithmetic number, because the mean of its divisors is an integer number (53028611940).

Almost surely, 2^212021003003 is an apocalyptic number.

212021003003 is a deficient number, since it is larger than the sum of its proper divisors (93444757).

212021003003 is an equidigital number, since it uses as much as digits as its factorization.

212021003003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93444756.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 212021003003 its reverse (300300120212), we get a palindrome (512321123215).

The spelling of 212021003003 in words is "two hundred twelve billion, twenty-one million, three thousand, three".