111220241200012 has 48 divisors (see below), whose sum is σ = 224411381957952. Its totient is φ = 47243491061760.

The previous prime is 111220241199973. The next prime is 111220241200069. The reversal of 111220241200012 is 210002142022111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553033108 + ... + 553234180.

It is an arithmetic number, because the mean of its divisors is an integer number (4675237124124).

Almost surely, 2^{111220241200012} is an apocalyptic number.

It is an amenable number.

111220241200012 is an abundant number, since it is smaller than the sum of its proper divisors (113191140757940).

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

111220241200012 is a wasteful number, since it uses less digits than its factorization.

111220241200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376018 (or 376016 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111220241200012 its reverse (210002142022111), we get a palindrome (321222383222123).

The spelling of 111220241200012 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred forty-one million, two hundred thousand, twelve".