10121210212 has 12 divisors (see below), whose sum is σ = 18283476736. Its totient is φ = 4897359720.

The previous prime is 10121210201. The next prime is 10121210233. The reversal of 10121210212 is 21201212101.

It is a junction number, because it is equal to n+sod(n) for n = 10121210192 and 10121210201.

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, 40811208 + ... + 40811455.

Almost surely, 2^10121210212 is an apocalyptic number.

It is an amenable number.

10121210212 is a deficient number, since it is larger than the sum of its proper divisors (8162266524).

10121210212 is a wasteful number, since it uses less digits than its factorization.

10121210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81622698 (or 81622696 counting only the distinct ones).

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

Adding to 10121210212 its reverse (21201212101), we get a palindrome (31322422313).

The spelling of 10121210212 in words is "ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred twelve".