10121002100012 has 24 divisors (see below), whose sum is σ = 17978030938560. Its totient is φ = 4984437989520.

The previous prime is 10121002099987. The next prime is 10121002100039. The reversal of 10121002100012 is 21000120012101.

It is a junction number, because it is equal to n+sod(n) for n = 10121002099966 and 10121002100002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496439 + ... + 4526417.

It is an arithmetic number, because the mean of its divisors is an integer number (749084622440).

Almost surely, 2^{10121002100012} is an apocalyptic number.

It is an amenable number.

10121002100012 is a deficient number, since it is larger than the sum of its proper divisors (7857028838548).

10121002100012 is a wasteful number, since it uses less digits than its factorization.

10121002100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039421 (or 4039419 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121002100012 its reverse (21000120012101), we get a palindrome (31121122112113).

The spelling of 10121002100012 in words is "ten trillion, one hundred twenty-one billion, two million, one hundred thousand, twelve".