101200100111212 has 12 divisors (see below), whose sum is σ = 177102471532896. Its totient is φ = 50599393958960.

The previous prime is 101200100111207. The next prime is 101200100111233. The reversal of 101200100111212 is 212111001002101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101200100111192 and 101200100111201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163677028 + ... + 164294155.

It is an arithmetic number, because the mean of its divisors is an integer number (14758539294408).

Almost surely, 2^{101200100111212} is an apocalyptic number.

It is an amenable number.

101200100111212 is a deficient number, since it is larger than the sum of its proper divisors (75902371421684).

101200100111212 is a wasteful number, since it uses less digits than its factorization.

101200100111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328048328 (or 328048326 counting only the distinct ones).

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

Adding to 101200100111212 its reverse (212111001002101), we get a palindrome (313311101113313).

The spelling of 101200100111212 in words is "one hundred one trillion, two hundred billion, one hundred million, one hundred eleven thousand, two hundred twelve".