1201110020212 has 6 divisors (see below), whose sum is σ = 2101942535378. Its totient is φ = 600555010104.

The previous prime is 1201110020177. The next prime is 1201110020237. The reversal of 1201110020212 is 2120200111021.

It can be written as a sum of positive squares in only one way, i.e., 907991728996 + 293118291216 = 952886^2 + 541404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201110020192 and 1201110020201.

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, 150138752523 + ... + 150138752530.

Almost surely, 2^{1201110020212} is an apocalyptic number.

It is an amenable number.

1201110020212 is a deficient number, since it is larger than the sum of its proper divisors (900832515166).

1201110020212 is a wasteful number, since it uses less digits than its factorization.

1201110020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300277505057 (or 300277505055 counting only the distinct ones).

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

Adding to 1201110020212 its reverse (2120200111021), we get a palindrome (3321310131233).

The spelling of 1201110020212 in words is "one trillion, two hundred one billion, one hundred ten million, twenty thousand, two hundred twelve".