1212011013112 has 8 divisors (see below), whose sum is σ = 2272520649600. Its totient is φ = 606005506552.

The previous prime is 1212011013107. The next prime is 1212011013121. The reversal of 1212011013112 is 2113101102121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 75750688312 + ... + 75750688327.

It is an arithmetic number, because the mean of its divisors is an integer number (284065081200).

Almost surely, 2^{1212011013112} is an apocalyptic number.

It is an amenable number.

1212011013112 is a deficient number, since it is larger than the sum of its proper divisors (1060509636488).

1212011013112 is a wasteful number, since it uses less digits than its factorization.

1212011013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151501376645 (or 151501376641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1212011013112 its reverse (2113101102121), we get a palindrome (3325112115233).

The spelling of 1212011013112 in words is "one trillion, two hundred twelve billion, eleven million, thirteen thousand, one hundred twelve".