111212333300012 has 24 divisors (see below), whose sum is σ = 230094482691360. Its totient is φ = 46018896537600.

The previous prime is 111212333299999. The next prime is 111212333300017. The reversal of 111212333300012 is 210003333212111.

It is not an unprimeable number, because it can be changed into a prime (111212333300017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68480499989 + ... + 68480501612.

It is an arithmetic number, because the mean of its divisors is an integer number (9587270112140).

Almost surely, 2^{111212333300012} is an apocalyptic number.

It is an amenable number.

111212333300012 is an abundant number, since it is smaller than the sum of its proper divisors (118882149391348).

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

111212333300012 is a wasteful number, since it uses less digits than its factorization.

111212333300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136961001641 (or 136961001639 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 111212333300012 its reverse (210003333212111), we get a palindrome (321215666512123).

The spelling of 111212333300012 in words is "one hundred eleven trillion, two hundred twelve billion, three hundred thirty-three million, three hundred thousand, twelve".