10121200100012 has 12 divisors (see below), whose sum is σ = 17745966527016. Its totient is φ = 5050923949440.

The previous prime is 10121200099993. The next prime is 10121200100021. The reversal of 10121200100012 is 21000100212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121200099966 and 10121200100002.

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, 2419022789 + ... + 2419026972.

It is an arithmetic number, because the mean of its divisors is an integer number (1478830543918).

Almost surely, 2^{10121200100012} is an apocalyptic number.

It is an amenable number.

10121200100012 is a deficient number, since it is larger than the sum of its proper divisors (7624766427004).

10121200100012 is a wasteful number, since it uses less digits than its factorization.

10121200100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838050288 (or 4838050286 counting only the distinct ones).

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

Adding to 10121200100012 its reverse (21000100212101), we get a palindrome (31121300312113).

The spelling of 10121200100012 in words is "ten trillion, one hundred twenty-one billion, two hundred million, one hundred thousand, twelve".