100212102122212 has 24 divisors (see below), whose sum is σ = 177488931537792. Its totient is φ = 49501011799200.

The previous prime is 100212102122207. The next prime is 100212102122219. The reversal of 100212102122212 is 212221201212001.

It is a self number, because there is not a number n which added to its sum of digits gives 100212102122212.

It is not an unprimeable number, because it can be changed into a prime (100212102122219) 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, 8108037 + ... + 16314547.

It is an arithmetic number, because the mean of its divisors is an integer number (7395372147408).

Almost surely, 2^{100212102122212} is an apocalyptic number.

It is an amenable number.

100212102122212 is a deficient number, since it is larger than the sum of its proper divisors (77276829415580).

100212102122212 is a wasteful number, since it uses less digits than its factorization.

100212102122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243379 (or 8243377 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100212102122212 its reverse (212221201212001), we get a palindrome (312433303334213).

The spelling of 100212102122212 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred twelve".