100212120222 has 16 divisors (see below), whose sum is σ = 200902584960. Its totient is φ = 33324315992.

The previous prime is 100212120221. The next prime is 100212120233. The reversal of 100212120222 is 222021212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212120221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19928298 + ... + 19933325.

It is an arithmetic number, because the mean of its divisors is an integer number (12556411560).

Almost surely, 2^100212120222 is an apocalyptic number.

100212120222 is an abundant number, since it is smaller than the sum of its proper divisors (100690464738).

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

100212120222 is a wasteful number, since it uses less digits than its factorization.

100212120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39862047.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100212120222 its reverse (222021212001), we get a palindrome (322233332223).

The spelling of 100212120222 in words is "one hundred billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-two".