10212220012 has 12 divisors (see below), whose sum is σ = 18447881536. Its totient is φ = 4941396720.

The previous prime is 10212220009. The next prime is 10212220033. The reversal of 10212220012 is 21002221201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10212219974 and 10212220001.

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, 41178183 + ... + 41178430.

Almost surely, 2^10212220012 is an apocalyptic number.

It is an amenable number.

10212220012 is a deficient number, since it is larger than the sum of its proper divisors (8235661524).

10212220012 is a wasteful number, since it uses less digits than its factorization.

10212220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82356648 (or 82356646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10212220012 its reverse (21002221201), we get a palindrome (31214441213).

The spelling of 10212220012 in words is "ten billion, two hundred twelve million, two hundred twenty thousand, twelve".