1201200101212 has 6 divisors (see below), whose sum is σ = 2102100177128. Its totient is φ = 600600050604.

The previous prime is 1201200101207. The next prime is 1201200101243. The reversal of 1201200101212 is 2121010021021.

It is a junction number, because it is equal to n+sod(n) for n = 1201200101192 and 1201200101201.

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, 150150012648 + ... + 150150012655.

Almost surely, 2^{1201200101212} is an apocalyptic number.

It is an amenable number.

1201200101212 is a deficient number, since it is larger than the sum of its proper divisors (900900075916).

1201200101212 is a wasteful number, since it uses less digits than its factorization.

1201200101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300300025307 (or 300300025305 counting only the distinct ones).

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

Adding to 1201200101212 its reverse (2121010021021), we get a palindrome (3322210122233).

The spelling of 1201200101212 in words is "one trillion, two hundred one billion, two hundred million, one hundred one thousand, two hundred twelve".