101200000121212 has 6 divisors (see below), whose sum is σ = 177100000212128. Its totient is φ = 50600000060604.

The previous prime is 101200000121177. The next prime is 101200000121219. The reversal of 101200000121212 is 212121000002101.

It is a junction number, because it is equal to n+sod(n) for n = 101200000121192 and 101200000121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200000121219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650000015148 + ... + 12650000015155.

Almost surely, 2^{101200000121212} is an apocalyptic number.

It is an amenable number.

101200000121212 is a deficient number, since it is larger than the sum of its proper divisors (75900000090916).

101200000121212 is a wasteful number, since it uses less digits than its factorization.

101200000121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300000030307 (or 25300000030305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101200000121212 its reverse (212121000002101), we get a palindrome (313321000123313).

The spelling of 101200000121212 in words is "one hundred one trillion, two hundred billion, one hundred twenty-one thousand, two hundred twelve".