1023320222112 has 48 divisors (see below), whose sum is σ = 2686267674720. Its totient is φ = 341100125952.

The previous prime is 1023320222081. The next prime is 1023320222129. The reversal of 1023320222112 is 2112220233201.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9408939 + ... + 9517077.

It is an arithmetic number, because the mean of its divisors is an integer number (55963909890).

Almost surely, 2^{1023320222112} is an apocalyptic number.

1023320222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023320222112 is an abundant number, since it is smaller than the sum of its proper divisors (1662947452608).

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

1023320222112 is a wasteful number, since it uses less digits than its factorization.

1023320222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206725 (or 206717 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1023320222112 its reverse (2112220233201), we get a palindrome (3135540455313).

The spelling of 1023320222112 in words is "one trillion, twenty-three billion, three hundred twenty million, two hundred twenty-two thousand, one hundred twelve".