10021001212 has 6 divisors (see below), whose sum is σ = 17536752128. Its totient is φ = 5010500604.

The previous prime is 10021001201. The next prime is 10021001239. The reversal of 10021001212 is 21210012001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252625148 + ... + 1252625155.

Almost surely, 2^10021001212 is an apocalyptic number.

It is an amenable number.

10021001212 is a deficient number, since it is larger than the sum of its proper divisors (7515750916).

10021001212 is a wasteful number, since it uses less digits than its factorization.

10021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505250307 (or 2505250305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10021001212 its reverse (21210012001), we get a palindrome (31231013213).

The spelling of 10021001212 in words is "ten billion, twenty-one million, one thousand, two hundred twelve".