1212201202112 has 56 divisors (see below), whose sum is σ = 2408998138560. Its totient is φ = 605210270720.

The previous prime is 1212201202067. The next prime is 1212201202117. The reversal of 1212201202112 is 2112021022121.

It is a super-3 number, since 3×1212201202112³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212201202117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147161258 + ... + 147169494.

Almost surely, 2^{1212201202112} is an apocalyptic number.

It is an amenable number.

1212201202112 is a deficient number, since it is larger than the sum of its proper divisors (1196796936448).

1212201202112 is a wasteful number, since it uses less digits than its factorization.

1212201202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349 (or 11339 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212201202112 its reverse (2112021022121), we get a palindrome (3324222224233).

The spelling of 1212201202112 in words is "one trillion, two hundred twelve billion, two hundred one million, two hundred two thousand, one hundred twelve".