1212334331120 has 160 divisors (see below), whose sum is σ = 3090256925184. Its totient is φ = 438654233600.

The previous prime is 1212334331071. The next prime is 1212334331123. The reversal of 1212334331120 is 211334332121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212334331120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212334331123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 234446135 + ... + 234451305.

Almost surely, 2^{1212334331120} is an apocalyptic number.

1212334331120 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 1212334331120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545128462592).

1212334331120 is an abundant number, since it is smaller than the sum of its proper divisors (1877922594064).

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

1212334331120 is a wasteful number, since it uses less digits than its factorization.

1212334331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471 (or 6465 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1212334331120 its reverse (211334332121), we get a palindrome (1423668663241).

The spelling of 1212334331120 in words is "one trillion, two hundred twelve billion, three hundred thirty-four million, three hundred thirty-one thousand, one hundred twenty".