20030003212 has 12 divisors (see below), whose sum is σ = 35074140976. Its totient is φ = 10008820080.

The previous prime is 20030003197. The next prime is 20030003219. The reversal of 20030003212 is 21230003002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20030003192 and 20030003201.

It is not an unprimeable number, because it can be changed into a prime (20030003219) 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, 1538088 + ... + 1551055.

Almost surely, 2^20030003212 is an apocalyptic number.

It is an amenable number.

20030003212 is a deficient number, since it is larger than the sum of its proper divisors (15044137764).

20030003212 is a wasteful number, since it uses less digits than its factorization.

20030003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090768 (or 3090766 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20030003212 its reverse (21230003002), we get a palindrome (41260006214).

The spelling of 20030003212 in words is "twenty billion, thirty million, three thousand, two hundred twelve".