1120221321312 has 24 divisors (see below), whose sum is σ = 2940580968696. Its totient is φ = 373407107072.

The previous prime is 1120221321277. The next prime is 1120221321313. The reversal of 1120221321312 is 2131231220211.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120221321313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5834485953 + ... + 5834486144.

It is an arithmetic number, because the mean of its divisors is an integer number (122524207029).

Almost surely, 2^{1120221321312} is an apocalyptic number.

1120221321312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120221321312 is an abundant number, since it is smaller than the sum of its proper divisors (1820359647384).

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

1120221321312 is a wasteful number, since it uses less digits than its factorization.

1120221321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11668972110 (or 11668972102 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1120221321312 its reverse (2131231220211), we get a palindrome (3251452541523).

The spelling of 1120221321312 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred twelve".