121333331196 has 144 divisors (see below), whose sum is σ = 383592867840. Its totient is φ = 31415506560.

The previous prime is 121333331179. The next prime is 121333331239. The reversal of 121333331196 is 691133333121.

121333331196 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 333 + 311 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 121333331196.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 809685 + ... + 947763.

It is an arithmetic number, because the mean of its divisors is an integer number (2663839360).

Almost surely, 2^121333331196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121333331196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191796433920).

121333331196 is an abundant number, since it is smaller than the sum of its proper divisors (262259536644).

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

121333331196 is a wasteful number, since it uses less digits than its factorization.

121333331196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138424 (or 138419 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The spelling of 121333331196 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-one thousand, one hundred ninety-six".