10121224112 has 20 divisors (see below), whose sum is σ = 20286075120. Its totient is φ = 4886107968.

The previous prime is 10121224109. The next prime is 10121224117. The reversal of 10121224112 is 21142212101.

It is not an unprimeable number, because it can be changed into a prime (10121224117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10906028 + ... + 10906955.

It is an arithmetic number, because the mean of its divisors is an integer number (1014303756).

Almost surely, 2^10121224112 is an apocalyptic number.

It is an amenable number.

10121224112 is an abundant number, since it is smaller than the sum of its proper divisors (10164851008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121224112 is a wasteful number, since it uses less digits than its factorization.

10121224112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21813020 (or 21813014 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10121224112 its reverse (21142212101), we get a palindrome (31263436213).

The spelling of 10121224112 in words is "ten billion, one hundred twenty-one million, two hundred twenty-four thousand, one hundred twelve".