100120110101212 has 6 divisors (see below), whose sum is σ = 175210192677128. Its totient is φ = 50060055050604.

The previous prime is 100120110101203. The next prime is 100120110101243. The reversal of 100120110101212 is 212101011021001.

It is a happy number.

It is a super-3 number, since 3×100120110101212³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100120110101192 and 100120110101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515013762648 + ... + 12515013762655.

Almost surely, 2^{100120110101212} is an apocalyptic number.

It is an amenable number.

100120110101212 is a deficient number, since it is larger than the sum of its proper divisors (75090082575916).

100120110101212 is a wasteful number, since it uses less digits than its factorization.

100120110101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25030027525307 (or 25030027525305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100120110101212 its reverse (212101011021001), we get a palindrome (312221121122213).

The spelling of 100120110101212 in words is "one hundred trillion, one hundred twenty billion, one hundred ten million, one hundred one thousand, two hundred twelve".