121100200010212 has 12 divisors (see below), whose sum is σ = 213869619284860. Its totient is φ = 59994594500256.

The previous prime is 121100200010197. The next prime is 121100200010249. The reversal of 121100200010212 is 212010002001121.

It can be written as a sum of positive squares in 2 ways, for example, as 38654272169536 + 82445927840676 = 6217256^2 + 9079974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121100200010192 and 121100200010201.

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, 138876375723 + ... + 138876376594.

Almost surely, 2^{121100200010212} is an apocalyptic number.

It is an amenable number.

121100200010212 is a deficient number, since it is larger than the sum of its proper divisors (92769419274648).

121100200010212 is a wasteful number, since it uses less digits than its factorization.

121100200010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277752752430 (or 277752752428 counting only the distinct ones).

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

Adding to 121100200010212 its reverse (212010002001121), we get a palindrome (333110202011333).

The spelling of 121100200010212 in words is "one hundred twenty-one trillion, one hundred billion, two hundred million, ten thousand, two hundred twelve".