1033221323312 has 80 divisors (see below), whose sum is σ = 2138119104000. Its totient is φ = 482270360832.

The previous prime is 1033221323311. The next prime is 1033221323389. The reversal of 1033221323312 is 2133231223301.

It is not an unprimeable number, because it can be changed into a prime (1033221323311) 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, 12181883 + ... + 12266405.

It is an arithmetic number, because the mean of its divisors is an integer number (26726488800).

Almost surely, 2^{1033221323312} 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 1033221323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1069059552000).

1033221323312 is an abundant number, since it is smaller than the sum of its proper divisors (1104897780688).

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

1033221323312 is a wasteful number, since it uses less digits than its factorization.

1033221323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85138 (or 85132 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1033221323312 its reverse (2133231223301), we get a palindrome (3166452546613).

The spelling of 1033221323312 in words is "one trillion, thirty-three billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred twelve".