1222142432320 has 28 divisors (see below), whose sum is σ = 2910226667724. Its totient is φ = 488856972800.

The previous prime is 1222142432317. The next prime is 1222142432323. The reversal of 1222142432320 is 232342412221.

It is an interprime number because it is at equal distance from previous prime (1222142432317) and next prime (1222142432323).

It can be written as a sum of positive squares in 2 ways, for example, as 194043774016 + 1028098658304 = 440504^2 + 1013952^2 .

It is not an unprimeable number, because it can be changed into a prime (1222142432323) 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 3 ways as a sum of consecutive naturals, for example, 1909597231 + ... + 1909597870.

Almost surely, 2^{1222142432320} is an apocalyptic number.

1222142432320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222142432320 is an abundant number, since it is smaller than the sum of its proper divisors (1688084235404).

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

1222142432320 is an equidigital number, since it uses as much as digits as its factorization.

1222142432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819195118 (or 3819195108 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1222142432320 its reverse (232342412221), we get a palindrome (1454484844541).

The spelling of 1222142432320 in words is "one trillion, two hundred twenty-two billion, one hundred forty-two million, four hundred thirty-two thousand, three hundred twenty".