10020003212 has 6 divisors (see below), whose sum is σ = 17535005628. Its totient is φ = 5010001604.

The previous prime is 10020003211. The next prime is 10020003221. The reversal of 10020003212 is 21230002001.

It is a happy number.

10020003212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10020003193 and 10020003202.

It is not an unprimeable number, because it can be changed into a prime (10020003211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252500398 + ... + 1252500405.

It is an arithmetic number, because the mean of its divisors is an integer number (2922500938).

Almost surely, 2^10020003212 is an apocalyptic number.

It is an amenable number.

10020003212 is a deficient number, since it is larger than the sum of its proper divisors (7515002416).

10020003212 is a wasteful number, since it uses less digits than its factorization.

10020003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505000807 (or 2505000805 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10020003212 its reverse (21230002001), we get a palindrome (31250005213).

The spelling of 10020003212 in words is "ten billion, twenty million, three thousand, two hundred twelve".