10121020210012 has 12 divisors (see below), whose sum is σ = 17711818500376. Its totient is φ = 5060500638480.

The previous prime is 10121020210001. The next prime is 10121020210019. The reversal of 10121020210012 is 21001202012101.

It is a junction number, because it is equal to n+sod(n) for n = 10121020209974 and 10121020210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121020210019) 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, 397687 + ... + 4516657.

Almost surely, 2^{10121020210012} is an apocalyptic number.

It is an amenable number.

10121020210012 is a deficient number, since it is larger than the sum of its proper divisors (7590798290364).

10121020210012 is a wasteful number, since it uses less digits than its factorization.

10121020210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733268 (or 4733266 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121020210012 its reverse (21001202012101), we get a palindrome (31122222222113).

The spelling of 10121020210012 in words is "ten trillion, one hundred twenty-one billion, twenty million, two hundred ten thousand, twelve".