10021000001212 has 12 divisors (see below), whose sum is σ = 17536968551200. Its totient is φ = 5010437558016.

The previous prime is 10021000001203. The next prime is 10021000001293. The reversal of 10021000001212 is 21210000012001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15248628 + ... + 15892219.

Almost surely, 2^{10021000001212} is an apocalyptic number.

It is an amenable number.

10021000001212 is a deficient number, since it is larger than the sum of its proper divisors (7515968549988).

10021000001212 is a wasteful number, since it uses less digits than its factorization.

10021000001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31221300 (or 31221298 counting only the distinct ones).

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

Adding to 10021000001212 its reverse (21210000012001), we get a palindrome (31231000013213).

The spelling of 10021000001212 in words is "ten trillion, twenty-one billion, one thousand, two hundred twelve".