10021200212 has 24 divisors (see below), whose sum is σ = 18217785600. Its totient is φ = 4817565536.

The previous prime is 10021200199. The next prime is 10021200227. The reversal of 10021200212 is 21200212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021200193 and 10021200202.

It is a congruent number.

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, 153008 + ... + 208455.

It is an arithmetic number, because the mean of its divisors is an integer number (759074400).

Almost surely, 2^10021200212 is an apocalyptic number.

It is an amenable number.

10021200212 is a deficient number, since it is larger than the sum of its proper divisors (8196585388).

10021200212 is a wasteful number, since it uses less digits than its factorization.

10021200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361735 (or 361733 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10021200212 its reverse (21200212001), we get a palindrome (31221412213).

The spelling of 10021200212 in words is "ten billion, twenty-one million, two hundred thousand, two hundred twelve".