101200121212 has 6 divisors (see below), whose sum is σ = 177100212128. Its totient is φ = 50600060604.

The previous prime is 101200121189. The next prime is 101200121273. The reversal of 101200121212 is 212121002101.

101200121212 is a modest number, since divided by 121212 gives 101200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 101200121192 and 101200121201.

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, 12650015148 + ... + 12650015155.

Almost surely, 2^101200121212 is an apocalyptic number.

It is an amenable number.

101200121212 is a deficient number, since it is larger than the sum of its proper divisors (75900090916).

101200121212 is a wasteful number, since it uses less digits than its factorization.

101200121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300030307 (or 25300030305 counting only the distinct ones).

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

Adding to 101200121212 its reverse (212121002101), we get a palindrome (313321123313).

The spelling of 101200121212 in words is "one hundred one billion, two hundred million, one hundred twenty-one thousand, two hundred twelve".