1233044421312 has 112 divisors (see below), whose sum is σ = 3560522614272. Its totient is φ = 373491502080.

The previous prime is 1233044421197. The next prime is 1233044421313. The reversal of 1233044421312 is 2131244403321.

It is a self number, because there is not a number n which added to its sum of digits gives 1233044421312.

It is not an unprimeable number, because it can be changed into a prime (1233044421313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4910398 + ... + 5155394.

Almost surely, 2^{1233044421312} is an apocalyptic number.

1233044421312 is a gapful number since it is divisible by the number (12) 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 1233044421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780261307136).

1233044421312 is an abundant number, since it is smaller than the sum of its proper divisors (2327478192960).

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

1233044421312 is a wasteful number, since it uses less digits than its factorization.

1233044421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247406 (or 247396 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1233044421312 its reverse (2131244403321), we get a palindrome (3364288824633).

The spelling of 1233044421312 in words is "one trillion, two hundred thirty-three billion, forty-four million, four hundred twenty-one thousand, three hundred twelve".