121020200010212 has 12 divisors (see below), whose sum is σ = 214686519196716. Its totient is φ = 59681194525440.

The previous prime is 121020200010131. The next prime is 121020200010221. The reversal of 121020200010212 is 212010002020121.

It can be written as a sum of positive squares in 2 ways, for example, as 21600037037056 + 99420162973156 = 4647584^2 + 9970966^2 .

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, 207226369589 + ... + 207226370172.

It is an arithmetic number, because the mean of its divisors is an integer number (17890543266393).

Almost surely, 2^{121020200010212} is an apocalyptic number.

It is an amenable number.

121020200010212 is a deficient number, since it is larger than the sum of its proper divisors (93666319186504).

121020200010212 is a wasteful number, since it uses less digits than its factorization.

121020200010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414452739838 (or 414452739836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121020200010212 its reverse (212010002020121), we get a palindrome (333030202030333).

The spelling of 121020200010212 in words is "one hundred twenty-one trillion, twenty billion, two hundred million, ten thousand, two hundred twelve".