1121212010012 has 24 divisors (see below), whose sum is σ = 1989183256704. Its totient is φ = 552920099312.

The previous prime is 1121212010011. The next prime is 1121212010027. The reversal of 1121212010012 is 2100102121211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121212010011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5673008 + ... + 5867319.

It is an arithmetic number, because the mean of its divisors is an integer number (82882635696).

Almost surely, 2^{1121212010012} is an apocalyptic number.

It is an amenable number.

1121212010012 is a deficient number, since it is larger than the sum of its proper divisors (867971246692).

1121212010012 is a wasteful number, since it uses less digits than its factorization.

1121212010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11540665 (or 11540663 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121212010012 its reverse (2100102121211), we get a palindrome (3221314131223).

The spelling of 1121212010012 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, ten thousand, twelve".