121223110333000 has 128 divisors (see below), whose sum is σ = 305511268083840. Its totient is φ = 44755048800000.

The previous prime is 121223110332991. The next prime is 121223110333019. The reversal of 121223110333000 is 333011322121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138025255 + ... + 138900745.

It is an arithmetic number, because the mean of its divisors is an integer number (2386806781905).

Almost surely, 2^{121223110333000} is an apocalyptic number.

121223110333000 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 121223110333000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152755634041920).

121223110333000 is an abundant number, since it is smaller than the sum of its proper divisors (184288157750840).

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

121223110333000 is a wasteful number, since it uses less digits than its factorization.

121223110333000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886176 (or 886162 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121223110333000 its reverse (333011322121), we get a palindrome (121556121655121).

The spelling of 121223110333000 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, one hundred ten million, three hundred thirty-three thousand".