1212002001112 has 16 divisors (see below), whose sum is σ = 2597147145360. Its totient is φ = 519429429024.

The previous prime is 1212002001109. The next prime is 1212002001121. The reversal of 1212002001112 is 2111002002121.

It is a junction number, because it is equal to n+sod(n) for n = 1212002001092 and 1212002001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10821446383 + ... + 10821446494.

It is an arithmetic number, because the mean of its divisors is an integer number (162321696585).

Almost surely, 2^{1212002001112} is an apocalyptic number.

It is an amenable number.

1212002001112 is an abundant number, since it is smaller than the sum of its proper divisors (1385145144248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212002001112 is a wasteful number, since it uses less digits than its factorization.

1212002001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21642892890 (or 21642892886 counting only the distinct ones).

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

Adding to 1212002001112 its reverse (2111002002121), we get a palindrome (3323004003233).

The spelling of 1212002001112 in words is "one trillion, two hundred twelve billion, two million, one thousand, one hundred twelve".