1212000102112 has 24 divisors (see below), whose sum is σ = 2386197009000. Its totient is φ = 605981814144.

The previous prime is 1212000102109. The next prime is 1212000102163. The reversal of 1212000102112 is 2112010002121.

It is a junction number, because it is equal to n+sod(n) for n = 1212000102092 and 1212000102101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543514 + ... + 1649062.

It is an arithmetic number, because the mean of its divisors is an integer number (99424875375).

Almost surely, 2^{1212000102112} is an apocalyptic number.

It is an amenable number.

1212000102112 is a deficient number, since it is larger than the sum of its proper divisors (1174196906888).

1212000102112 is a wasteful number, since it uses less digits than its factorization.

1212000102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139818 (or 1139810 counting only the distinct ones).

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

Adding to 1212000102112 its reverse (2112010002121), we get a palindrome (3324010104233).

Subtracting 1212000102112 from its reverse (2112010002121), we obtain a palindrome (900009900009).

The spelling of 1212000102112 in words is "one trillion, two hundred twelve billion, one hundred two thousand, one hundred twelve".