1121212002112 has 28 divisors (see below), whose sum is σ = 2224948620960. Its totient is φ = 560595026816.

The previous prime is 1121212002083. The next prime is 1121212002149. The reversal of 1121212002112 is 2112002121211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3857133 + ... + 4137619.

Almost surely, 2^{1121212002112} is an apocalyptic number.

It is an amenable number.

1121212002112 is a deficient number, since it is larger than the sum of its proper divisors (1103736618848).

1121212002112 is an equidigital number, since it uses as much as digits as its factorization.

1121212002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342958 (or 342948 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121212002112 its reverse (2112002121211), we get a palindrome (3233214123323).

The spelling of 1121212002112 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two thousand, one hundred twelve".