111001003212000 has 384 divisors, whose sum is σ = 396728227703808. Its totient is φ = 26907243264000.

The previous prime is 111001003211999. The next prime is 111001003212019. The reversal of 111001003212000 is 212300100111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2326212142 + ... + 2326259858.

It is an arithmetic number, because the mean of its divisors is an integer number (1033146426312).

Almost surely, 2^{111001003212000} is an apocalyptic number.

111001003212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111001003212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198364113851904).

111001003212000 is an abundant number, since it is smaller than the sum of its proper divisors (285727224491808).

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

111001003212000 is a wasteful number, since it uses less digits than its factorization.

111001003212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65379 (or 65361 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111001003212000 its reverse (212300100111), we get a palindrome (111213303312111).

The spelling of 111001003212000 in words is "one hundred eleven trillion, one billion, three million, two hundred twelve thousand".