10121201212 has 12 divisors (see below), whose sum is σ = 17716554856. Its totient is φ = 5059328400.

The previous prime is 10121201177. The next prime is 10121201227. The reversal of 10121201212 is 21210212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121201192 and 10121201201.

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, 300039 + ... + 332062.

Almost surely, 2^10121201212 is an apocalyptic number.

It is an amenable number.

10121201212 is a deficient number, since it is larger than the sum of its proper divisors (7595353644).

10121201212 is a wasteful number, since it uses less digits than its factorization.

10121201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636108 (or 636106 counting only the distinct ones).

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

Adding to 10121201212 its reverse (21210212101), we get a palindrome (31331413313).

The spelling of 10121201212 in words is "ten billion, one hundred twenty-one million, two hundred one thousand, two hundred twelve".