100222120712 has 64 divisors (see below), whose sum is σ = 215384832000. Its totient is φ = 42827906880.

The previous prime is 100222120697. The next prime is 100222120717. The reversal of 100222120712 is 217021222001.

It is not an unprimeable number, because it can be changed into a prime (100222120717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53565137 + ... + 53567007.

It is an arithmetic number, because the mean of its divisors is an integer number (3365388000).

Almost surely, 2^100222120712 is an apocalyptic number.

It is an amenable number.

100222120712 is an abundant number, since it is smaller than the sum of its proper divisors (115162711288).

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

100222120712 is a wasteful number, since it uses less digits than its factorization.

100222120712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 100222120712 its reverse (217021222001), we get a palindrome (317243342713).

The spelling of 100222120712 in words is "one hundred billion, two hundred twenty-two million, one hundred twenty thousand, seven hundred twelve".