10021200212122 has 16 divisors (see below), whose sum is σ = 16398413100000. Its totient is φ = 4555067261040.

The previous prime is 10021200212117. The next prime is 10021200212137. The reversal of 10021200212122 is 22121200212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021200212096 and 10021200212105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549004 + ... + 5712952.

It is an arithmetic number, because the mean of its divisors is an integer number (1024900818750).

Almost surely, 2^{10021200212122} is an apocalyptic number.

10021200212122 is a deficient number, since it is larger than the sum of its proper divisors (6377212887878).

10021200212122 is a wasteful number, since it uses less digits than its factorization.

10021200212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374461.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10021200212122 its reverse (22121200212001), we get a palindrome (32142400424123).

The spelling of 10021200212122 in words is "ten trillion, twenty-one billion, two hundred million, two hundred twelve thousand, one hundred twenty-two".